Question

1. If F(x) = 2x-10 then what is f(-3)

2 .If F(x) = x^2 + 7 then what is f (2)

Answer 1

1. f(-3) = -16

2. f(2) = 11

Explanation:

just replace x with the number

1. f(-3)= 2(-3)-10

f(-3)= -6-10

f(-3)= -16

2. f(2)= 2^2+7

f(2)= 4+7

f(2)=11