Functions & Inverses Assessment Review

True/false: Every function has an inverse?

• True

• False

Tags

CCSS.HSF-BF.B.4B

True/false: The first step in finding the inverse of a function is to replace   

 $f\left(x\right)\ with\ y$  

• True

• False

Tags

CCSS.HSF-BF.B.4A

Simplify:

 $f\left(x\right)\ =\ \frac{1}{x-x^2}$   
Find:

 $f\left(-1\right)$  

• 1

• -1

• 0

•  $-\frac{1}{2}$  

Tags

CCSS.HSF.IF.A.2

If:  $f\left(-2\right)\ =\ 45$   and  $h\left(0\right)\ =\ -2$   find:

 $f\left(-2\right)\ +\ h\left(0\right)\$  

• 47

• 0

• 43

• -2

Tags

CCSS.HSF.IF.A.2

 $h\left(x\right)\ =\ \frac{1}{3}x^2+\sqrt{\left(x\right)^2}-2x+1\ \ \ \ \ \ find\ \ \ \ \ \ \ \ h\left(-3\right)$  

Tags

CCSS.HSF.IF.A.2

Find the inverse for:
 $f\left(x\right)\ =\ \frac{x+1}{x}$  

Tags

CCSS.HSF-BF.B.4A

Prove/disprove the following functions are inverses of one another.

 $f\left(x\right)\ =\ 2x\ +\ 3\ \ \ \ \ \ \ \ \ g\left(x\right)\ =\ \frac{x\ -\ 3}{2}$  

Tags

CCSS.HSF-BF.B.4B

True/False: In a function, the input is the x-values, and the output is the y-values.

• True

• False

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1