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If F(x)= - x2x ^ { 2 } + 2x - 1, Find

Question 127

Multiple Choice

If f(x) = - x2x ^ { 2 } + 2x - 1, find f(x+h) f(x) h\frac { f ( x + h ) - f ( x ) } { h } , h ? 0.


A) -2x + 2
B) -2xh - x2x ^ { 2 } + 2h
C) h(h+2) h\frac { \mathrm { h } ( - \mathrm { h } + 2 ) } { \mathrm { h } }
D) h(2xh) h\frac { h ( - 2 x - h ) } { h }
E) -2x - h + 2

Correct Answer:

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