Question

Given the equation y = 3x − 4, what is the value of y when x = 4?

A) 2
B) 4
C) 8
D) 10

Answer 1

Put the value of x = 4 to the equation y = 3x - 4:

`y=3(4)-4=12-4=8`

Answer: C) 8

Answer 2

C) 8

Explanation:

y = 3x-4

Substitute x=4 into the equation

y = 3*4 -4

y = 12-4

y=8