G(a)=2a+4 h(a)= -3a^2 +a Find (g-h)(a)

asked Sep 7, 2019 115k views

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G(a)=2a+4
h(a)= -3a^2 +a
Find (g-h)(a)

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(g-h)(a)= g(a)-h(a)= 2a + 4 -(-3a²+a)= 2a + 4 +3a²-a= 3a²+ a +4

(g-h)(a)=3a²+ a +4

Stuckj answered Sep 7, 2019

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(g - h) = (2a + 4) - (3a² + a) = 2a + 4 - 3a² - a = a + 4 -3a²
(g - h)(a) means replace all of the "a"s from "g-h" with "a" = a + 4 -3a²

Alex Pan answered Sep 11, 2019

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