Question

Use the following function rule to find f (3).
f (x) = -5(2) ^x
f (3)=

Answer 1

Explanation:

Substitute f(3) into the function:

`f(3) = - 5(2)^(3)`

Include exponent:

`f(3) = - 5(8)`

Multiply:

`f(3) = - 40`