Answer:
A
Step-by-step explanation:
By vertical line test, if you draw any vertical line, except for A, all graph meet at more than two points. So, graph A represents y as a function of x.
Number 52 does not belong because 52 is a prime number
Answer:
b) ¿Qué edad tiene cada uno?
Step-by-step explanation:
The is (5000,59) and you can check this by doing this -0.004(5000)+79