Answer:

Step-by-step explanation:

For f(3), the input for the function f(x) is 3.
Let x (input) = 3.

Answer:5 worker can 60 widget in 90 minutes.
30b+3= s
It would be thirty students times the number of buses, with an addition of 3 students equal to the total number of students when on the field trip.
I hope this helps!
~cupcake