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Lia W.

asked • 10/16/22

Algebra 2 - Composite Functions

How do you set these problems up?

g(a)= -2a^2 + 4a

h(a)= a - a

find (g+h)(a)

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William W. answered • 10/16/22

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I think you made a mistake on h(a) because a - a is just zero but (g+h)(a) means g(a) + h(a) so just add the two functions together

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Lia W.

yeah i did it was actually a - 4

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10/16/22

Lia W.

and like this? -2a^2+4a+a-4?

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10/16/22

William W.

yes except combine the like-terms: 4a + a = 5a

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10/17/22

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