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ROCKN3OH3STYLE
 one year ago
If f(x) = 4x^2 3x+1, find (f(x+h)f(x))/(h))
ROCKN3OH3STYLE
 one year ago
If f(x) = 4x^2 3x+1, find (f(x+h)f(x))/(h))

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RolyPoly
 one year ago
Best ResponseYou've already chosen the best response.0For f(x+h), replace all x by x+h in 4x^3 3x+1. For f(x), it's just 4x^3 3x+1. \[ \frac{f(x+h)f(x)}{h} = \frac{(4(x+h)^3 3(x+h)+1)  (4x^3 3x+1)}{h} =...\]

douglaswinslowcooper
 one year ago
Best ResponseYou've already chosen the best response.0Since this is how you get the derivative for small h, you should find answer close to 12x^2  3.

ROCKN3OH3STYLE
 one year ago
Best ResponseYou've already chosen the best response.0okay I wrote the wrong equation b4, but I just corrected it. What is the next step after I write out: (4(x+h)^2 3(x+h)+1)(4x^2 3x+1)/h)
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