Albert is 4 times older than his son how old is he?

Step-by-step explanation:

You don't really have enough information to answer this question, thank you Because like you don't know how old Albert son is they can't figure out how old Albert is without knowing how old his son is.

i dont know and i dont care for math bc it is a stupied subject

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value