18-06-2016
Mathematics

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Let f(x) = x2 - 8x+5. find f(-1)

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itzjojohere itzjojohere

18-06-2016

Given:
f(x) = x2 - 8x + 5

Find:
f(-1)

f(-1) = (-1)(2) - 8(-1) + 5
f(-1) = -2 - (-8) + 5
f(-1) = -2 + 8 + 5
f(-1) = 11

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