Suppose f is a real function satisfying f(x + f(x)) = 4ƒ(x) and ƒ(1) = 4. What is ƒ(21)? f(21)=

Q: Answer the following questions. (a) 76.8% of what number is 40.32?   (b) What percent of 17 is…

A: Given : (a) 76.8% of what number is 40.32?

Q: When solving for {x2 -3y=3 and x+y= -1 by the substitution method, we obtain x= -3 0r x=0, so what…

A: Concept: The algebraic approach to solving simultaneous linear equations is known as substitution…

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A: Here is the solution:

Q: Write an equation of the line passing through the given points. (3,-5) and (-1,7)

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Q: Elyse has 90 meters of fencing and wants to use it to make the largest rectangular corral possible.…

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Q: Simplify the rational expression. 2z² + 10z 2z² + 10z 4z (Simplify your answer.)

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: The annual interest rate on a credit card is 16.99%. If a payment of $300.00 is made each month, how…

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Q: 1) A bacteria culture starts with 300 bacteria. After 3 hours, the population is 23,100 bacteria. a)…

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Q: Nanda Yueh and Lane Zuriff sell homes for ERA Realty. Over the past 6 months they sold 124 homes.…

A: Given query is to find the homes sold by each person.

Q: What type of relationship is indicated by the following set of ordered pairs (linear, quadratic, or…

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Q: True or false: (-5)^{-4}=-5^{-4}? Why?

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Q: Find the monthly payment that will yield the future value of $90,000 using an ordinary annuity at…

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Q: 3. The sales data in the table below is for Vestas Wind Systems and is in millions of euros.…

A: Given   Year 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010…

Q: y = |x-1|-2 estion 20 Listen points) Provide an appropiate response. Describe how the graph of the…

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Q: ies directly as the square of b and inversely as the square of c. If a = 158 when b = 9 and c = 3,…

A: Given query is to find the value of a.

Q: Find i (the rate per period) and n (the number of periods) for the following loan at the given…

A: To find i (the rate per period) and n (the number of periods) for the  following loan at the given…

Q: The functions f(x) = x2 – 1 and g(x) = –x2 + 4 are shown on the graph. Explain how to modify the…

A: The solution set is the region which satisfied both the inequalities.

Q: A rain gutter is made from sheets of aluminum that are 18 inches wide by turning up the edges to…

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Q: 7y - 3 + 5y + 2 variable(s): y constant(s): -3,2 coefficient(s): 7,5 terms: 4 terms ww like terms:…

A: See the details solution in below

Q: Graph the equation. Be sure to simplify the equation before graphing it. 8 + 3x = 5x

A: NOTE: Refresh your page if you can't see any equations. . the given equation is

Q: Write the 4 x 4 elementary matrix for the elementary row operation "R2-6R3"

A: Given Row operation " R2-6R3"

Q: Boris bought a desk on sale for $438. This price was 27% less than the original price. What was the…

A: Assume x be the original price discount rate = 27% buying price=$438

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Q: Find the value(s) of the variable for which the rational expression is undefined. 9-7x 2x ▪▪▪ Select…

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Q: Coffee costs $12 per case, and tea costs $8 per case. If an order comes in for a total of 250 cases…

A: The coffee costs $12 per case and tea costs $8 per case. In an order for a total of 250 cases for…

Q: t A nces Lee and Fred are elementary school teachers. Fred works for a charter school in Pacific…

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Q: 5) Given cose = 1/2, determine cos $2 a) H H

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: K Solve the equation. Give a general formula for all the solutions. List six solutions. √√3 2 sin 0=…

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Q: Complete the following. (a) The graph of y=h(x) is shown. Draw the graph of y = h (2x) + 4. -8 Tr 4-…

A: Let's draw the graph of transformation.

Q: Perform the indicated operation, if possible. ¡H + 1 4 8 6-9 9 4 13 9 0 10 3 -1 7-10 8 Select the…

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Q: The expression ✓-6 can be written in the form a + bi, where a and b are real numbers. What are the…

A: To write the given expression in the form a+bi

Q: A 1. A is the set of people who go to a resort area for vacation, B is the set of people who take a…

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Q: Can a function be both a polynomial function and a power function?

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Q: Answer the following questions. (a)  20.57  is what percent of  48.4 ?   (b)  250 % of what is…

A: (i) y is what percent  of x is given by yx×100.(ii) z% of x is given by z100×(x).

Q: The safe load, L, of a wooden beam supported at both ends varies jointly as the width, w, and the…

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Q: Text-to-Speech 4. Lucas scored 75, 78, 82, and 84 on his four algebra tests. There is one test…

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Q: 9. The Apollo's Chariot is a rollercoaster at Busch Gardens with a top speed of 117 km/hr. Its…

A: initial descent can be modelled by h(t) =52 - 4.9t2when it reach to the bottom of the hill then h(t)…

Q: Which graph shows the function f(x) = 2^-x - 8?

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Q: 12 6 18 5 30 ▼ 25 10 15 20

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Q: = 7. Find a line perpendicular to 3x - 2y = I 4 and passes through (4,-2)

A: To find a line perpendicular to 3x-2y=-4 and passes through 4, -2.

Q: The best way to solve the problem below is by using the _______________ accompanied by the…

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Q: 7-10, find AT, ATA, and AAT. 1 7 OO 1 2 -3 1 2 9 [B] 히 10 [1 -2 -3]

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Q: Suppose that receiving stations X, Y, and Z are located on a coordinate plane at the points (11,6),…

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Q: Consider the graph of the following functions. f(x) = 2 · (²)" Which of the following correctly…

A: We have to find the domain and range. We will do it by graph.

Q: Consider the function f(x) = 2x² - 10x + 2, 0≤x≤7. absolute maximum of f(r) (on the given interval)…

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Q: Sketch the graph. The y-intercept is 7. The function is increasing for all values of x. The function…

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Q: 1 = [] 2 0 1 3 Compute: (ATA)² Let A

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Q: The half-life of a certain medication is 2 hours, and a patient takes a single 400-milligram dose of…

A: Solution )  t1/2 = 2 hours, N0 = 400 milligrams K =  0.693/ t1/2 K = 0.693 / 2  K = 0.3465 per hour…

Q: 14. The measure of one of the small angles of a right triangle is ten more than three times the…

A: Topic = Triangle

Q: A farmer looks over a field and sees 4040 heads and 116116 feet. Some are cows, some are chickens.…

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