Suppose that f is a function given as f(x) = x² + 2x + 3. Simplify the expression f(x + h). f(x + h) = Simplify the difference quotient, f(x + h) − f(x) = h f(x + h) − f(x) h The derivative of the function at x is the limit of the difference quotient as h approaches zero. f'(x) = lim = h→0 f(x + h) − f(x) h

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
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Suppose that f is a function given as f(x) = x² + 2x + 3.
Simplify the expression f(x + h).
f(x + h) =
Simplify the difference quotient,
f(x + h) − f(x)
=
h
f(x + h) − f(x)
-
h
The derivative of the function at x is the limit of the difference quotient as h approaches zero.
f(x + h) − f(x)
f'(x)=lim
h→0
h
Transcribed Image Text:Suppose that f is a function given as f(x) = x² + 2x + 3. Simplify the expression f(x + h). f(x + h) = Simplify the difference quotient, f(x + h) − f(x) = h f(x + h) − f(x) - h The derivative of the function at x is the limit of the difference quotient as h approaches zero. f(x + h) − f(x) f'(x)=lim h→0 h
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