Question

If F is the function defined by F(x)=3x−1, find the solution set for F(x)=2.

A. {13}
B. {8}
C. {5}
D. {1}

Answer 1

D. {1}

Explanation:

F(x)=3x−1

Let F(x) =2

2 = 3x-1

Add 1 to each side

2+1 = 3x-1+1

3 =3x

Divide by 3

3/3 = 3x/3

1 =x