B1 - Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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.8.F.A.1

• Function because it passes the horizontal line test

• Not a Function because it fails the vertical line test

• Not a Function because it fails the horizontal line test

• Function, because it fails the horizontal line test

Is this mapping a function or not a function?

• Function because all the inputs only have one output.

• Not a Function because 6 has more than one possible y-value.

• Not a Function because 10 has more than one possible x-value.

• Function because all there is a constant rate of change.

Is this table a function or not a function?

• Function because every x has only one possible y.

• Not a Function because every x has only one possible y.

• Function because the rate of change is the same.

• Not a Function because every y has only one possible x.

Is this table a function or not a function?

• Function because every 3 has two one possible y-values

• Not a Function because every 3 has two one possible y-values

• Function because the y-intercept is (0,2)

• Not a Function because the y-intercept is (0,2)

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

What best describes this data?

• Function with discrete data.

• Not a Function with continuous data.

• Not a Function with discrete data.

• Function with continuous data.

Is this graph a function or not a function?

• Function because it passes the vertical line test

• Function because it passes the horizontal line test

• Not a Function because it passes the horizontal line test

• Not a Function because it passes the vertical line test

What best describes this data

• Linear Function with continuous data

• Not a Function with continuous data

• Linear Function with discrete data

• Not a Function with discrete data