Functions Lesson 5

In a function, every input has ______ output.

Tags

CCSS.8.F.A.1

Is the following an example of a function?

Input: Time in minutes

Output: Phone Battery

• Is a function.

• Is not a function

Tags

CCSS.8.F.A.1

Is the following a function?

Input: Time after a diver leaves the board

Output: Height of the diver

• Is a function

• Is not a function

Tags

CCSS.8.F.A.1

Is the following a function?

Input: Weight of a cat

Output: Age of that cat

• Is a function

• Is not a function

Answer explanation

My cat Quill is 13 LBS, he has been 13 LBS for a year and a half, so there are multiple ages he could be if we input 1 lbs into the function.

Tags

CCSS.8.F.A.1

Match the following description to the function.

" To get the output, multiply the input by 7 and then subtract 16."

• A(x) = 7(x - 16)

• B(x) = 16(x - 7)

• C(x) = 16x - 7

• D(x) = 7x - 16

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Match the following description to the function.

" To get the output, Subtract 16 from the input then multiply by 7."

• A(x) = 7(x - 16)

• B(x) = 16(x - 7)

• C(x) = 16x - 7

• D(x) = 7x - 16

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Match the following description to the function.

" To get the output, Subtract 7 from the input then multiply by 16."

• A(x) = 7(x - 16)

• B(x) = 16(x - 7)

• C(x) = 16x - 7

• D(x) = 7x - 16

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Match the following description to the function.

" To get the output, multiply the input by 16 then subtract 7."

• A(x) = 7(x - 16)

• B(x) = 16(x - 7)

• C(x) = 16x - 7

• D(x) = 7x - 16

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Consider the function: M(x) = 9x + 2

Find M(x) when x = 6

• 54

• 56

• 8

• 72

Tags

CCSS.HSF.IF.A.2

Consider the function: M(x) = 9x + 2

Find x when M(x) = 83

• 747

• 56

• 8

• 72

Tags

CCSS.HSF.IF.A.2