Understanding functions

Function c(x) = 5x

If your output was 40, what is your input?

• x = 8

• c(x) = 8

• f(x) = 8

• x = 0

What is the domain and range for this problem? select two answers below

• Domain: {-3, -1, 2, 4}

• Range {-3, -1, 2, 4}

• Domain {0, 4, 7}

• Range {0, 4, 7}

What are the y values?

:(9, -2) (4, 3) ( 8, 10) ( -4, 8)

• {-4, 4, 8, 9}

• {-2, 3, 8, 10}

• {(9, -2) ( 4, 3)}

• {(8, 10) (-4, 8)}

• +11

• -11

• +20

• -20

Answer explanation

That's right! The rule for this function machine is -11.

The set of all possible output values of a function is (a)   .

• Range
• Domain
• Input
• Independent

What is the rule of this function? 

• +1
• -1
• /1
• x1

ARE YOU READY FOR YOUR STAAR QUESTIONS ON FUNCTION/ DOMAIN AND RANGE?

• DEFINITELY

• I FEEL PRETTY GOOD

• 50/50

• I'M NOT SURE

A relation is a set of __________.

• Function

• Ordered Pairs

• Domain

• Range

The values taken on by the dependent variable in a function belong to the function's

• domain

• range

• limits

a set of ordered pairs

• domain

• range

• function

• relation