Functions WarmUp

Determine whether the following relation is a function. Select TRUE if it is a function and FALSE if it is not a function.

• TRUE

• FALSE

Determine whether the graph of the relation below is a graph of a function. Select TRUE if it is a function and FALSE if it is not a function.

• TRUE

• FALSE

Determine whether the following relation is a function. Select TRUE if it is a function and FALSE if it is not a function.

• TRUE

• FALSE

Will the ordered pairs from Caroline’s data represent a function?

• Function, because Caroline can only have one weight at a given number of days.

• Not a function, because Caroline’s weight is neither constant nor predictable.

Determine if the relation below is a function or not a function. {(4, 7), (8, 11), (4, 9), (8, 13)}

• Function

• Not a function

Determine whether the given relation is a function or not.

• Yes

• No

Is the following table of inputs/outputs a function or not?

• Yes, it is a function

• No, it is not a function

True or False: The relation given below is a function. [Graph of x = y^2]

• TRUE

• FALSE

The relation in the graph below is a function.

• TRUE

• FALSE

Determine if the following relation is a function. {(-9, -10), (4, -5), (6, -5), (4, -10)}

• Yes

• No