Function Evaluation

[nycmath]

Precalculus
Michael Sullivan
Edition 10
Chapter 2, Section 2.1

Find - f(x) and f(x + 1) for each function.

See attachment.

[Eigenvalue]

48.-f(x)=-[tex]\sqrt{x²+x}[/tex]
f(x+1)=[tex]\sqrt{(x+1)²+x+1}[/tex]=[tex]\sqrt{x²+3x+2}[/tex]

50. -f(x)=-(1-[tex]\frac{1}{(x+2)²}[/tex])=-1+[tex]\frac{1}{(x+2)²}[/tex]
f(x+1)=1-[tex]\frac{1}{(x+1+2)²}[/tex]=1-[tex]\frac{1}{(x+3)²}[/tex]

[nycmath]

48.-f(x)=-[tex]\sqrt{x²+x}[/tex]
f(x+1)=[tex]\sqrt{(x+1)²+x+1}[/tex]=[tex]\sqrt{x²+3x+2}[/tex]

50. -f(x)=-(1-[tex]\frac{1}{(x+2)²}[/tex])=-1+[tex]\frac{1}{(x+2)²}[/tex]
f(x+1)=1-[tex]\frac{1}{(x+1+2)²}[/tex]=1-[tex]\frac{1}{(x+3)²}[/tex]

You are cooking with gas.