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Which of the following is a polynomial function? C. 2x+7 A. g(x)=√x-7 y = B. f(x)=2*-5 D. y=2x-7x³-5x² + 7x

Which of the following is a polynomial function? C. 2x+7 A. g(x)=√x-7 y = B. f(x)=2*-5 D. y=2x-7x³-5x² + 7x

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Q1-Q7 Answers please !!! 

 
1. Which of the following is a polynomial function? A. g(x)=√x-7 C. y= 2x+7 x² B. f(x)=2* -5 D. y= 2x¹-7x³-5x² + 7x 2. How many x-intercepts are possible for the polynomial function h(x) = ax³ + bx + cx³? A. 4 C. 3 B. 5 D. 1 3. If -2x³-6x² + 5x-7 is divided by x-7 to give a quotient of -2x² - 20x-135 and a remainder of -952, then which of the following is true? A. (x-7)(-2x²-20x-135) = -952 B. -2x³6x² + 5x-7=(x-7)(-2x² - 20x-135)-952 (x-7)(-2x²-20x-135)=952 C. D. -2x³-6x² + 5x-7=(x-7)(-2x² - 20x-135) +952 4. Divide: (-4x-x²-2-x³) + (x-3) A. -x2 - 4x 16 - C. -x²-4x-16 R(-50) D. x²+2x+8 R46 B. -x²+2x+8 5. When P(x) = 5x³ - 2x + 2 is divided by 5x-2, the remainder is A. 12 C. P(5/2)-601/8 x² + x + 5 I B. P(-2)=-34 D. P(2/5) 38/25 6. When x + x³ - 12x² +41x+q is divided by x+ 5, the remainder is 0. What is the value of q? A. 5 B. 9 C. 39 D. -28 7. Which of the following is not a root of the equation x-8x³ + 13x² + 12x-18 = 0? A. 1 C. 2+2√√5 B. 3 D. 2-√10
Transcribed Image Text:1. Which of the following is a polynomial function? A. g(x)=√x-7 C. y= 2x+7 x² B. f(x)=2* -5 D. y= 2x¹-7x³-5x² + 7x 2. How many x-intercepts are possible for the polynomial function h(x) = ax³ + bx + cx³? A. 4 C. 3 B. 5 D. 1 3. If -2x³-6x² + 5x-7 is divided by x-7 to give a quotient of -2x² - 20x-135 and a remainder of -952, then which of the following is true? A. (x-7)(-2x²-20x-135) = -952 B. -2x³6x² + 5x-7=(x-7)(-2x² - 20x-135)-952 (x-7)(-2x²-20x-135)=952 C. D. -2x³-6x² + 5x-7=(x-7)(-2x² - 20x-135) +952 4. Divide: (-4x-x²-2-x³) + (x-3) A. -x2 - 4x 16 - C. -x²-4x-16 R(-50) D. x²+2x+8 R46 B. -x²+2x+8 5. When P(x) = 5x³ - 2x + 2 is divided by 5x-2, the remainder is A. 12 C. P(5/2)-601/8 x² + x + 5 I B. P(-2)=-34 D. P(2/5) 38/25 6. When x + x³ - 12x² +41x+q is divided by x+ 5, the remainder is 0. What is the value of q? A. 5 B. 9 C. 39 D. -28 7. Which of the following is not a root of the equation x-8x³ + 13x² + 12x-18 = 0? A. 1 C. 2+2√√5 B. 3 D. 2-√10
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