2 years ago

Given that f(x) = ax – 5 and f(4) = 15, determine the value of a.

Mathematics

1 answer:

agasfer [191]2 years ago

8 0

Given that f(x) = ax – 5 and f(4) = 15, then the value of a is 5

The given function is:

f(x) = ax - 5

If f(4) = 15, then x = 4

Substitute x = 4 into f(x) = ax - 5

f(4) = a(4) - 5

15 = 4a - 5

Solve for a by adding 5 to both sides

15 + 5 = 4a - 5 + 5

20 = 4a

Divide both sides by 4

4a/4 = 20/4

a = 5

Given that f(x) = ax – 5 and f(4) = 15, then the value of a is 5

Learn more on linear functions here: brainly.com/question/15602982

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