Function Evaluation

Function Evaluation

Postby nycmath » Sat Aug 15, 2026 7:56 pm

Precalculus
Michael Sullivan
Edition 10
Chapter 2, Section 2.1

Find f(2x) and f(x + h) for each function.

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nycmath
 
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Re: Function Evaluation

Postby Eigenvalue » Sat Aug 15, 2026 9:56 pm

f(2x)=[tex]\frac{(2x)²-1}{2x+4}[/tex]=[tex]\frac{4x²-1}{2x+4}[/tex]
f(x+h)=[tex]\frac{(x+h)²-1}{x+h+4}[/tex]
These are simplifiable, yet the result remains the same

Eigenvalue
 
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Re: Function Evaluation

Postby nycmath » Sat Aug 15, 2026 11:59 pm

Eigenvalue wrote:f(2x)=[tex]\frac{(2x)²-1}{2x+4}[/tex]=[tex]\frac{4x²-1}{2x+4}[/tex]
f(x+h)=[tex]\frac{(x+h)²-1}{x+h+4}[/tex]
These are simplifiable, yet the result remains the same


You outdid yourself. Nicely-done.

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