Evaluating Functions: Equations

What is the general form of function notation?

• $f\left(y\right)=x$

• $f\left(x\right)=y$

• $f\left(x\right)=1$

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If

 $g\left(x\right)\ =\ 3x\ -\ 5\$  , evaluate  $g\left(-2\right)$  WITHOUT a calculator. Show your work on paper.

•  $-11$  

•  $1$  

•  $-1$  

•  $\frac{11}{2}$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If

 $g\left(x\right)\ =\ -\frac{x}{2}+4$  , evaluate  $g\left(12\right)$  WITHOUT a calculator. Show your work on paper.

•  $\frac{4}{23}$  

•  $20$  

•  $10$  

•  $-2$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If $f\left(x\right)\ =\ -2x-3\ and\ g\left(x\right)\ =\ x^{2\ }+5x$  , then find the value of  $g\left(-3\right)$  WITHOUT a calculator. Show your work on paper.

•  $g\left(-3\right)=24$  

•  $g\left(-3\right)=-6$  

•  $g\left(-3\right)=3$  

•  $g\left(-3\right)=-24$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Which of the following below is NOT a function? Select TWO answers. Use your notes (page 8-9)!

• 
• 
• 
• 

Tags

CCSS.HSF.IF.A.1

Let  $h\left(t\right)=\frac{t-3}{t+3}$  . If the input is 9, find the output WITHOUT a calculator. Show your work on paper.

•  $\frac{1}{2}$  

•  $2$  

•  $1$  

•  $-1$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If $f\left(x\right)\ =\ -2x-3\ and\ g\left(x\right)\ =\ x^{2\ }+5x$  , then find the value of  $f\left(1\right)+g\left(2\right)$  using a calculator.

•  $-1$  

•  $12$  

•  $13$  

•  $9$  

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given the functions $g\left(s\right)\ =\ \sqrt{s+1}\ and\ h\left(t\right)\ =\ 2t^2-\frac{1}{2}t+3$  

find the value of  $g\left(3\right)$  . Show your work on paper.

•  $g\left(3\right)=22.5$  

•  $g\left(3\right)=\pm4$  

•  $g\left(3\right)=\pm2$  

•  $g\left(3\right)=2$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If  $h\left(t\right)=\frac{t-3}{t+3}\ and\ f\left(x\right)=x^2+3x-2$  , then what is  $f\left(-2\right)+h\left(0\right)$  . Find the value using your calculator. Show your work on paper.

•  $-7$  

•  $-9$  

•  $-5$  

•  $-3$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given $f\left(x\right)=x^2+3x-2$  , find  $f\left(y+1\right)$  . Show your work on paper.

•  $f\left(y+1\right)=y^2+3y-2$  

•  $f\left(y+1\right)\ =\ y^2+3y+2$  

•  $f\left(y+1\right)=y^2+5y+2$  

•  $f\left(y+1\right)=2$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.C.8