Question

f(-3) = 2x+18

Answer 1

perhaps u mean
f(x)=2x+18
f(-3)=?

f(-3)=2(-3)+18
=-6+18
=12

Answer 2

yes thanks that the answer i got too, what does f(-3) mean? Does it represent the range value ( y coordinate) when the domain = 12?

Answer 3

it represents the value(s) of y when x=-3

Answer 4

ill draw it for u if u dont understand

Answer 5

i think i get it thank you :)

Answer 6

anytime:)