Answer:
a.
the function we are working with
Step-by-step explanation:
f(x) is functions notation which means the output for the function being worked with. It is the y value hence y=f(x).
Answer:
book
Step-by-step explanation:
it has a title,subheading,and more
The number of cats is 2.5 times the number of dogs.
F(3) = $4 + $2.5(3)
f(3) = $4 + $7.5
f(3) = $11.50