186k views
1 vote
If f:X is 3x + b and ff(2) = 12, find the value of b​

User Wavey
by
5.8k points

1 Answer

6 votes

Answer:


b =6

Explanation:

Given


f(x) =3x + b


f(2) = 12

Required

Find b


f(2) = 12 implies that:


12 = 3 * 2 + b


12 = 6 + b

Collect like terms


b = 12 - 6


b =6

User Cate
by
6.4k points