Question

Number 3 please help me​

Answer 1

D. {1}

Step-by-step explanation:

given f(x) = 3x - 1

for f(x) = 2

3x - 1 = 2

3x = 2 + 1

3x = 3

x = 3/3

x = 1

Answer 2

F(x) = 2
F(x) = 3x - 1
2 = 3x - 1
3x = 3, x = 1

Solution: x = 1