My friend is obviously wrong. If I'm paying $2.40 for three fourths of a pound, what makes him think that he'll pay less for more grapes? This equation actually doesn't involve any equations.
6x+21+15-2x
4x+36
hope this helps...
Answer:
1
Step-by-step explanation:
insert the values for a and b and solve.
Is there more to this problem? By saying f(4), you'd be inputting a 4 for every variable x. There is not enough info here to answer the question.
