Functions

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

f(x)=2x+1
If f(x)=4, what is the value of x?

• 3/2
• 2
• 1/2
• 4

Tags

CCSS.HSF.IF.A.2

Give the domain and range. Tell if it is a function.

• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Not a Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Not a Function

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall
• The plant grows at a rate of 5/4 inch per week
• After 4 weeks the plant is 5 inches tall
• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.
What does c(7) represent?

• A cost of $7 to ride the taxi
• The cost to ride 7 miles
• The minimum distance to ride a taxi
• The minimum cost of a taxi

Tags

CCSS.HSF.LE.B.5

Is the function Linear or Nonlinear?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3

Is this function linear or nonlinear?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3

What is the slope?

• m= -2/3
• m=3/2
• m=-3
• m=2

Tags

CCSS.8.EE.B.5

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

What is the y-intercept?

• 7
• 0
• 1
• 2

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7