Question

1. If f(x) = x + 2, find f(3).

1
6
5
−1
2. If f(x) = −4x − 1, find f(−2).

−9
−7
−10
7
3. If g(x) = x2 + 3, find g(4).

11
19
16
8
4. If h(x) = 2x + 3, find the value of x if h(x) = 9.

21
3
6
9

Answer 1

f(3) means sub x=3 and then use order of operation to evaluate it

Answer 2

sub as in subtract? orrr? sorry lol

Answer 3

substitute

Answer 4

substitute

Answer 5

oh okay thanks

Answer 6

yw

Answer 7

If f(x)=x+2 then f(3)=3+2