suppose f(x)=2×+5 find the value of -2f(x+1)

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09-04-2018
Mathematics

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suppose f(x)=2×+5 find the value of -2f(x+1)

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Аноним Аноним · Answer 1 · 2018-04-09T08:54:27+02:00

f(x) = 2x + 5

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Find f(x + 1) :
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f(x +1) = 2(x + 1) + 5
f(x +1) = 2x + 2 + 5
f(x + 1) = 2x + 5

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Find -2f(x+1):
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-2(fx+1) = -2(2x + 5)
-2(fx+1) = -4x - 10

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Answer: -2(fx+1) = -4x - 10
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