Question

Using the function f(x) = 2x + 7 find the following: (show your work) f(2) f(7)

Answer 1

Replace the x with 2: f(2)=2*2+7=4+7=11
replace the x with 7: f(7)=2*7+7=14+7=21

Answer 2

F(2)= 2(2)+7
f(2)= 11

f(7)=2(7)+7
f(7)=21