Question

1 If f: x -> 3x + 2, find the value of: a f(0) b f(2) c f(-1）

Answer 1

Answer:

2 , 8 , - 1

Step-by-step explanation:

substitute x = 0, 2, - 1 into f(x)

f(x) = 3x + 2

(a)

f(0) = 3(0) + 2 = 0 + 2 = 2

(b)

f(2) = 3(2) + 2 = 6 + 2 = 8

(c)

f(- 1) = 3(- 1) + 2 = - 3 + 2 = - 1