Complete the statements.
f(4) is
f(x) = 4 when x is

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

How can you tell when x and y are not directly proportional?