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Anonymous Anonymous
  • 18-03-2016
  • Mathematics
Answered

Use the given function f(x) = (x-4) +8x to solve f(-2)

A18
B14
C22
D-22

Verified Answer :

zerofrancisco zerofrancisco
  • 18-03-2016

we just need to substitute the x by -2 in the function:
f(x) = (x - 4) + 8x
f(-2) = (-2 - 4) + 8(-2)
f(-2) = (-6) - 16
f(-2) = -6 - 16
f(-2) = -22

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