Answer:
Function
Step-by-step explanation:
The following is a <em><u>one-on-one function</u></em> since neither the domain nor the range is being repeated.
When Sam is 13 his mother will be 39 which is 3 times as old as he is. So Sam's mother will be 3 times as old as Sam will be in 11 years. (Your answer is 11 years.)
Answer:
70
Step-by-step explanation: