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If f(x) = 6 – 5x and g(x) = 4x – 1, evaluate f(x) – g(x) for x = –2.
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@iGreen
f(x) = 6 – 5x g(x) = 4x – 1 f(x) – g(x) for x = –2 (6 - 5(-2)) - (4(-2) - 1) = 16 - (-9) = 16 + 9 = 25 (D)
just plug it in... 6 - 5(-2) = 16
6 -(-10) 6 + 10 16
it is D
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25
do the same for g(x)
yes
4(-2) - 1 = -9
16 -(-9) 16 + 9 25
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yes 25
ya it is 25
i think it is 25
right
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