Determine if the function f is an exponential function. If so, identify the base. If not, why not? f(x)=(1/e)^x

A. This is not an exponential function because the variable is in the exponent position.

B. The base is x.

C. This is a polynomial.

D. The base is e^−1.

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

Which number produces an irrational number multiplied by 1/3