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25 votes
25 votes
Given the function f(x)=4-2x: if the domain is -4,0,5, find the range

User DrowsySaturn
by
3.2k points

1 Answer

21 votes
21 votes

Answer:

The range is 12, 0, -6

Step-by-step explanation:

Given the function:

f(x) = 4 - 2x

We want to find the range of this function, given that the domain is:

-4, 0, 5

This can be done by replacing x by each element ot the domain in the given function, find f(x).

For element -4

f(-4) = 4 - 2(-4)

= 4 + 8

= 12

For element 0

f(0) = 4 - 2(0)

= 4 - 0

= 0

For element 5

f(5) = 4 - 2(5)

= 4 - 10

= -6

The range is 12, 0, -6

User Patrick Connors
by
3.2k points
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