Question

The cost of supplies, such as mustard and
napkins, a pretzel vendor needs for one day is $75. Each pretzel costs the
vendor $.50 to make. The total daily cost to the vendor is given by
C(x) = 0.5x + $75 where x is the number of pretzels the vendor makes.
a. Graph the cost function.
b. The vendor sells each pretzel for $3. The revenue is given by
R(x) = 3x where x is the number of pretzels sold. Graph the function.