Checkpoint: Functions, Domain, and Range

Is this relation a Function?

• Yes
• No
• I Don't Know

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

What is the domain of the graph?

• x≤0
• x≥0
• All real numbers
• y≥0

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

What is the range of the function?

• -7≤x≤6
• -7<x<6
• -8<y<2
• -8≤y≤2

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

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.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If

f(x)=x+3

Solve for f(x) = -5

• -2

• -1

• -8

• 7

Evaluate f(2).

• f(2) = 5

• f(2) = 12

• f(2) = 10

• f(2) = 0.5

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

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