3.3 Practice

When you write the function y=2x+10 as f(x)=2x+10, you are using__________

• standard form

• function notation

• magic

• point-slope form

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Your height can be represented by a function h, where the input is your age. What does h(14) represent?

• Your age when you are 14 years old.

• Your age when you are 14 inches tall.

• Your height when you are 14 years old.

• Your height when you are 14 inches tall.

Tags

CCSS.HSF.IF.A.2

Evaluate f(x)=x+6 when x=-2, 0, and 5

• f(-2)= 4

  f(0)= 6

  f(5)= 11

• f(-2)= -4

  f(0)= -6

  f(5)= -1

• f(-2)= -12

  f(0)= 0

  f(5)= 30

Tags

CCSS.HSF.IF.A.2

Evaluate f(x)=3x when x=-2, 0, and 5

• f(-2)= 4

  f(0)= 6

  f(5)= 11

• f(-2)= -6

  f(0)=0

  f(5)= 15

• f(-2)= -12

  f(0)= 0

  f(5)= 30

Tags

CCSS.HSF.IF.A.2

Evaluate f(x)=12-2x-5 when x=-2, 0, and 5

• f(-2)= 11

  f(0)= 7

  f(5)= -2

• f(-2)= -6

  f(0)=0

  f(5)= 15

• f(-2)= -12

  f(0)= 0

  f(5)= 30

Tags

CCSS.HSF.IF.A.2

Find the value of x so that the function has the given value.

h(x)=-7x; h(x)=63

x=__

• 8

• -8

• -9

• 9

Tags

CCSS.HSF.IF.A.2

Find the value of x so that the function has the given value.

h(x)=4x+15; h(x)=7

x=__

• -2

• 2

• -9

• 9

Tags

CCSS.HSF.IF.A.2

Find the value of x so that f(x)=7

x=__

• 1

• 4

• 2

• 5

Tags

CCSS.HSF.IF.A.2

Find the value of x so that f(x)=7

x=__

• 1

• -3

• 3

• 0

Tags

CCSS.HSF.IF.A.2

How do you feel about your mastery of 3.3? If you are still struggling with anything specific, please write it down so that I can go overt it as a class.