Question

If the revenue of a shoe company is f(x) = 33x + 16, where x is the number of pairs of shoes sold, and the expenses of the company are g(x) = 4x + 50, where x is also the number of pairs of shoes sold, what is the profit of the company if they sell 105 pairs of shoes?
A.

$3,481
B.

$3,011
C.

$3,951
D.

$3,111

Answer 1

Profit = f(x)-g(x) = f(105)-g(105)

Answer 2

what that means i stiill dont get it

Answer 3

f(105) is a function notation which means that from the given definition of
f(x)=33x + 16, then
f(105) would evaluate the right-hand side replacing all occurrences of x by 105, giving
f(105)=33(105)+16=3465+16=3481
You can evaluate g(x) in a similar way.

Since profit=revenue - expenses, so
profit(x)=f(x)-g(x) where x is the number of items sold.