Question

If the range of the function f(x) = 4x – 3 is {11.4, 15, 17, 29}, what is its domain?

A) {1.5, 2.8, 5.5, 7}
B) {2.3, 4, 8, 11}
C) {7, 11, 13.2, 14}
D) {3.4, 5, 8, 9.3}
E) {3.6, 4.5, 5, 8}

Answer 1

Lol are you doing plato?

Answer 2

yus @kathyzhu23

Answer 3

f(x) = 4x – 3 is {11.4, 15, 17, 29}<----- These are the f(x) values
You can work backwards to see what the x values must have been, the x values are your domain.
11.4=4x-3, x=?
15=4x-3, x=?
17=4x-3,x=?
29=4x-3,x=?

Answer 4

its E ?