Which x-value is in the domain of the function f(x) = 2cot(3x) + 4?

Q: Find the domain of the function    f(x)= 31x/x-3

A: For any rational function the denominator can not be 0.

Q: Find f( - 1)  if f(x) = 2x2 - x.

A: Consider the given function. fx=2x2-x We have to find the value of f(-1). So, put -1 for x in the…

Q: if f(x)=6-9x, find f -1(-30)

A: Given,           fx=6-9x

Q: Determine the number at which the function f(x) = (2x - 3)/(3x3-24) is discontinuous. Answer:

A:

Q: is this a function and why y = x2 + 3

A:

Q: For what value(s) of k will the function g(x) = x? - kx + 9 have only one zero?

A:

Q: s(x)= Vzx-10 С.

A:

Q: If f(x) = 3x? – 8x + 5, find f(-2).

A: Given a function                                f(x) = 3x2-8x+5 To find the value of the function…

Q: Determine the domain of the function (x)= Vr2 - a2

A:

Q: 7) Determine when the function f(x) = 6x - 35x +56x - 20 is positive and when it's negative.

A: The given function is: f(x)=6x3-35x2+56x-20

Q: What is the domain of the function f(x) = Vx - 3x²?

A: To find the domain of the function fx=x-3x2.

Q: determine the domain of the function  f(x)= -2x2+3

A: Domain of function f(x) is the set of all values of x , for which f(x) is defined.. Since,…

Q: Differentiate the following functions: a) y = (-5x-7)³ b) y = 7-2x² 2x+1

A:

Q: Is f(x) = 2x3 - 5 a one-to-one function?

A: A function f(x) is said to one one if, fx1=fx2⇒x1=x2

Q: Find the domain of f(x) = 28 - 2x.

A: fx=28-2x

Q: Find f(x) for the following function: f(x) 4 + 6 f(x) =

A:

Q: Determine where the function is convace upward   f(x)=-5x2-8x+5

A: A function is concave upward when it's second derivative is greater than zero. If the second…

Q: Let f(x)=-x2-3x+5. find f(3).

A: To find the function in the given value, replace the 3 in place of x to obtain the result.