hayz46
hayz46 hayz46
  • 20-09-2018
  • Mathematics
contestada

If f(x)=2x+1 and g(x) = x^-7, find (f-g)(x)

If fx2x1 and gx x7 find fgx class=

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lretr0l28
lretr0l28 lretr0l28
  • 20-09-2018
B is the Answer for the question
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sqdancefan
sqdancefan sqdancefan
  • 20-09-2018

(f - g)(x) = f(x) - g(x)

... = (2x +1) -(x² -7)

... = 2x + 1 - x² + 7

... = -x² +2x +8 . . . . matches selection B.

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