1 of 51 of 5 Items
Question
Multiple Choice
Identify the mapping diagram that represents the given relation and determine whether the relation is a function.
{(–3, –6), (–1, –6), (5, –6), (8, –6)}
(1 point)
Responses
a
The relation is not a function.
Image with alt text: a The relation is not a function.
b
The relation is a function.
Image with alt text: b The relation is a function.
c
The relation is a function.
Image with alt text: c The relation is a function.
d
The relation is not a function.
b
The relation is a function.
2 of 52 of 5 Items
Question
The function j(x) = 39x represents the number of jumping jacks j(x) you can do in x minutes. How many jumping jacks can you do in 5 minutes?
(1 point)
Responses
195 jumping jacks
195 jumping jacks
7 jumping jacks
7 jumping jacks
144 jumping jacks
144 jumping jacks
234 jumping jacks
To find out how many jumping jacks you can do in 5 minutes using the function j(x) = 39x, you plug in x = 5.
j(5) = 39 * 5
j(5) = 195
Therefore, you can do 195 jumping jacks in 5 minutes.
Answer: 195 jumping jacks