Graphing functions

Identify the x-intercepts:

• No x-intercpts
• x = -2, x = 3, x = -8
• x = -2, x = 3
• x = -2, x = 3, x = 8

Based on the end behavior, which option best describes the leading coefficient and degree?

• negative coefficient, even degree

• negative coefficient, odd degree

• negative degree, odd coefficient

• negative degree, even coefficient

End Behavior

• As,____𝑥→−∞,𝑓(𝑥)→__

  As,____𝑥→+∞,𝑓(𝑥)→__

• “Turning point” on a graph when it shifts from increasing to decreasing.

• How the graph of the function behaves on the left and right.

• An odd degree polynomial must have at least one real zero.

Which is NOT a zero of this function?

• $x=-3$

• $x=-6$

• $x=3$

Describe the type of polynomial shown.

• Even degree, negative leading coefficient

• Even degree, positive leading coefficient

• Odd degree, negative leading coefficient

• Odd degree, positive leading coefficient

Please select the solution that describes if zeros crosses or bounces at the x-axis for each x-intercept.

• 2 crosses, 1 crosses, -3 bounces, -4 bounces   

• 1 crosses, -3 bounces, - 4 crosses

• 1 crosses, -3 bounces, -4 turns  

• 1 bounces, -3 crosses, -4 crosses  

• -∞
  -∞
• +∞
  -∞
• -∞
  +∞
• +∞
  +∞

Which graph is a graph of a polynomial?

• 
• 
• 
• 

Assuming the scale is 1, where is f(x) > 0?

• $[-4,-1]\cup[2,\infty)$

• $(-4,-1)\cup(2,\infty)$

• $(-\infty,-4]\cup[-1,2]$

• $(-\infty,-4)\cup(-1,2)$

Is there a zero at -2?

• yes
• no