Find f(a), f(a + h), and the difference quotient f(a + h) − f(a) h , where

Algebra
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Find f(a), f(a + h), and the difference quotient  f(a + h) − f(a)/h

 

,

 where h ≠ 0.

f(x) = 8

f(a)         =             

f(a + h) =             

f(a + h) − f(a)/h=

 

Feb 6th, 2015

f(a+h)=7−4(a+h)+3(a+h)2

f(a+h)−f(a)=7−4(a+h)+3(a+h)2−(7−4a+3a2)

=

6ah+3h2−4h

After dividing out by h, you should get 6a - 4 + 3h


Feb 6th, 2015

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