Question

F(x) = -x^2-20
find f(9)

Answer 1

f ( x ) = - 101

Explanation:

Step 1:

f ( x ) = - x² - 20 Function

Step 2:

f ( x ) = - 9² - 20 Substitute x

Step 3:

f ( x ) = - 81 - 20 Exponents

Answer:

f ( x ) = - 101 Subtract

Hope This Helps :)