4 years ago

If f(x) = 4x + 10, which expression represents f(x2 + 2)?

1 answer:

8 0

In order to determine the answer to this item, we just have to substitute x² + 2 to all x's of the first function. That is,
f(x) = 4x + 10
will become,
f(x²+2) = 4(x²+2) + 10
Simplifying will give us an answer of,
f(x²+2) = 4x²+18

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