+9
3. select all of the following that apply for the given function, f(x) = x
a. the inverse of f(x) is not a function.
b. f-'(x) = x2 - 9
c. f-1(x) = 6vx-9
d. the inverse of f(x) is a function.
e. the function does not have an inverse.

Which function is shown in the graph below?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

What is the solution set of the quadratic inequality x^2-5< or equal to 0