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What is x if f(x) is 64 in the function below? f(x) = 4x

User Hiropon
by
5.8k points

1 Answer

1 vote

Answer:

x = 16

Explanation:

f(x) = 64

f(x) = 4x

So, 4x = 64

4x = 64

Divide each side

4x = 64

---- ----

4 4

4x/4 = x

64/4 = 16

x = 16

User Hywel Thomas
by
6.3k points