Week 3 Day 3: Functions

Is this graph a function?

• YES

• NO

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.C.7

Is this graph a function? Explain.

• Yes; it passes the horizontal line test.

• No; it is not a straight line.

• Yes; it passes the vertical line test.

• No; it does not pass the vertical line test

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Is this graph a function?

• Yes

• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Is this graph a function?

• Yes

• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.C.7

Is this graph a function?

• Yes

• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.C.7

Is this graph a function?

• Yes

• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

Use function notation to evaluate  $f(x)=-2x+13$   for  $f(10)$ 

•  $f\left(10\right)\ =\ -7$  
  

•  $f\left(10\right)\ =1$  

•  $f\left(10\right)=-8$  

•  $f\left(x\right)=\ 7$  

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Use function notation to evaluate $f(x)=x+3$ for  $f(-2)$  

•  $f\left(-2\right)\ =\ -1$  

•  $f\left(-2\right)\ =\ 1$  

•  $f\left(-2\right)=5$  

•  $f\left(-2\right)=-5$  

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Use function notation to evaluate $f(x)=4x+5$ for   $f\left(4\right)$  

•  $f\left(4\right)\ =\ 21$  

•  $f\left(4\right)\ =\ -11$  

•  $f\left(4\right)\ =-31$  

•  $f\left(4\right)=25$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Use function notation to evaluate  $f\left(x\right)\ =\ -2x-12$  for  $f\left(-5\right)$  

•  $f\left(-5\right)\ =\ -22$  

•  $f\left(-5\right)\ =\ -2$  

•  $f\left(-5\right)\ =\ -19$  

•  $f\left(-5\right)\ =\ -5$  

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2