Question

8. Given f(x) = 3x – 4, find ſ{a – 2).​

Answer 1

Answer: f(a-2)=3a-10

Explanation:

To find f(a-2), you plug in a-2 into x.

f(a-2)=3(a-2)-4 [distribute]

f(a-2)=3a-6-4 [combine like terms]

f(a-2)=3a-10

After plugging in a-2 into x, f(a-2)=3a-10.