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HALPPPPP Let g(x) = 2x and h(x) = x2 + 4. Evaluate each expression: g(-2) + h(4)
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HALPPPPP Let g(x) = 2x and h(x) = x2 + 4. Evaluate each expression: g(-2) + h(4)

User Adam Weitzman
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1 Answer

2 votes
Answer

16

Explanation

Functions are:

g(x) = 2x and h(x) = x2 + 4

To evaluate g(-2) substitute x = -2 into the function.

2 • -2 = -4

To evaluate h(4) substitute x = 4 into the function.

4^2 + 4 = 20

Add the 2 functions

-4 + 20 = 16
User Charu Maheshwari
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5.0k points
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