Function Quiz Review

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.2

If g(x) = 3x + 1

Then g(2) = _______

• 6

• 7

• 8

• 9

Tags

CCSS.HSF.IF.A.2

Evaluate for f(1)

• 0

• -3

• 3

• 2

Answer explanation

The point (1,2 ) is part of the graph. When x is 1, y is 2.

Tags

CCSS.HSF.IF.A.2

_{Using the graph, what does f(8) equal?}

• 8

• 2

• 1

• 0

Answer explanation

When x is 8, y is 1.

The graph has the coordinate (8, 1)

Tags

CCSS.HSF.IF.A.2

Determine if the mapping is a function.

• Function

• Not a function

Tags

CCSS.8.F.A.1

Determine if the table is a function.

• Function

• Not a function

Tags

CCSS.8.F.A.1

Which of the following sets of ordered pairs IS a function?

• {(2, 1), (2, 2), (3, 4), (5, 6)}

• {(-2, -1), (1, 2), (3, 4), (1, 5)}

• {(1, 2), (2, 2), (3, 3), (2, 4)}

• {(1, 1), (2, 1), (3, 2), (4, 4)}

Tags

CCSS.8.F.A.1

What is the value of f(2)?

• 2
• 0
• 1
• -3

Tags

CCSS.HSF-IF.C.7A

The ______ line test is a visual method used to determine whether a relation represented as a graph is a function. If the line crosses the graph in more than 1 location, it is not a function.

• vertical

• horizontal

• constant

• straight

The output, or y values of a function are referred to as the ______.

• domain

• range

• relation

• mapping

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1