Which of the following expressions is the inverse of the function y = 3x + 4?

a) y = 3x - 4

b) y = - 3x - 4

c) y equals quantity x minus 4 divided by 3

d) y equals quantity x plus 4 divided by 3

Question

Jean Phillips

23 January, 04:34

+2

Answers (2)

Know the Answer?

Matthias Ramos · Answer 1

y = (x - 4) / 3

So the answer is C; D

Gypsy · Answer 2

The correct answer is d.

Interchange values of x and y in the equation y = 3x+4

So we get x=3y+4

or x-4=3y

y = (x-4) / 3

Which of the following expressions is the inverse of the function y = 3x + 4?a) y = 3x - 4b) y = - 3x - 4c) y equals quantity x minus 4 divided by 3d) y equals quantity x plus 4 divided by 3