Graphing Polynomial Functions

For  $f\left(x\right)\ =\ 7x^3-x^2-6x+9$ , what is  $f\left(3\right)$  ?

• -171

• 153

• 171

• 189

For  $f\left(x\right)\ =\ 7x^3-x^2-6x+9$ , what is  $f\left(-3\right)$  ?

• -171

• 153

• 171

• 189

For  $f\left(x\right)\ =\ 7x^3-x^2-6x+9$ , what is the degree?

• 2

• 3

• 0

• 1

What is  $f(x)=8-7x^3-3x^5+2x+8x^2$  in standard form?

•  $f(x)=8+2x+8x^2-7x^3-3x^5$  

•  $f(x)=-3x^5-7x^3+8x^2+2x+8$  

•  $f(x)=3x^5-7x^3+8x^2+2x-8$  

•  $f(x)=3x^5+7x^3-8x^2-2x-8$  

For $f(x)=8-7x^3-3x^5+2x+8x^2$ , as   $x\rightarrow-\infty$  , what happens?

•  $f\left(x\right)\rightarrow\infty$  

•  $f\left(x\right)\rightarrow-\infty$  
  

•  $x\rightarrow\infty$  
  

•  $f\left(x\right)\$  explodes
  

For $f(x)=8-7x^3-3x^5+2x+8x^2$ , as   $x\rightarrow\infty$  , what happens?

•  $f\left(x\right)\rightarrow\infty$  

•  $f\left(x\right)\rightarrow-\infty$  
  

•  $x\rightarrow-\infty$  
  

•  $f\left(x\right)\$  explodes
  

If $f\left(x\right)$ has a negative, even degree, what shape will it have?

• A sideways S-ish shape going in this direction /

• A U-ish shape opening up

• A U-ish shape opening down

• A sideways S-ish shape going in this direciton \

If $f\left(x\right)$ has a positive, odd degree, what shape will it have?

• A sideways S-ish shape going in this direction \

• A U-ish shape opening up 

• A U-ish shape opening down

• A sideways S-ish shape going in this direction /

Can I pass this math class?

• I won't pass, but I'm trying

• I will pass if I try hard

• I will pass without trying

• I'm not trying, so I won't pass