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?

Question

(1 point)
Responses

195 jumping jacks
195 jumping jacks

7 jumping jacks
7 jumping jacks

144 jumping jacks
144 jumping jacks

234 jumping jacks

Answer 1

To find the number of jumping jacks you can do in 5 minutes, you need to substitute x = 5 into the equation j(x) = 39x.

j(5) = 39(5)
j(5) = 195

Therefore, you can do 195 jumping jacks in 5 minutes.