Question

Find the value of f(7) for the function f(x) = -3x + 6
27
-15
-27
-21

Answer 1

simply plug 7 for each value of x
f(7)= -3(7) + 6
f(7)= -21 + 6
f(7)= -15

Answer 2

Plug 7 in for X
-3(7)+6
F(x)=-15