Question

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

Answer 1

Step-by-step explanation:

Substitute f(3) into the function:

$f(3) = - 5(2)^{3}$

Include exponent:

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

Multiply:

$f(3) = - 40$