99.2k views
0 votes
Given the function f(x) = 4 - 2x: If the domain is {-4, 0, 5}, find the range. A) {-4, 4, -6} B) {-4, 4, 14} C) {12, 4, -6} D) {12, 4, 14)

2 Answers

3 votes
It's C. Good luck on your finals!
User Marx
by
7.3k points
4 votes
f(x) = 4 - 2x Domain = x = -4, 0, 5

f(x) = 4 - 2(-4) = 4 - (-8) = 12

f(x) = 4 - 2(0) = 4 - 0 = 4

f(x) = 4 - 2(5) = 4 - 10 = -6

f(x) = 12, 4, -6

The range is C.
User Maulik Modi
by
7.1k points