Assessment 9 Review

What is the domain of this function?

• (- 4, $\infty$ )

• (- 1, $\infty$ )

• [- 4, $\infty$ )

• [- 1, $\infty$ )

What is the range of this function?

• (- 4, $\infty$ )

• (- 1, $\infty$ )

• [- 4, $\infty$ )

• [- 1, $\infty$ )

What is the y-intercept of this function?

• (-4, -1)

• (-3, 0)

• (0,1)

• (-4,  $\infty$  )

What is the equation of this function?

•  $f\left(x\right)\ =\ \sqrt{x-4}-1$  

•  $f\left(x\right)\ =\ \sqrt{x+4}-1$  

•  $f\left(x\right)\ =\ \sqrt{x-1}-4$  

•  $f\left(x\right)\ =\ \sqrt{x+1}-4$  

What is the end behavior as  $x\rightarrow\infty$  ?

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

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

•  $f\left(x\right)\rightarrow-4$  

•  $f\left(x\right)\rightarrow-1$  

 $f\left(x\right)\ =\ 2x^2-6x+5$  Which of the following is a solution to the quadratic equation?

•  $\frac{3+i}{2}$  

•  $\frac{3+i\sqrt{19}}{2}$  

•   $\frac{3+2i}{2}$  

•  $\frac{3+2i\sqrt{19}}{2}$  

 $f\left(x\right)=\ -\sqrt{x-2}$  Given the function, describe the transformation from the parent function  $f\left(x\right)\ =\ \sqrt{x}$  

• left 2, flip over x- axis

• left 2, flip over y-axis
  

• right 2, flip over x- axis

• right 2, flip over y-axis

 $6x^3-4x^2-16x\ =\ 0$  Find all solutions.

•  $\left\{-4,\ 2\right\}$  

•  $\left\{0,\ -4,\ 2\right\}$  

•  $\left\{-\frac{4}{3},\ 2\right\}$  

•  $\left\{0,\ -\frac{4}{3},\ 2\right\}$