a. 6,300
b. 6,400
c. 100
d. 100
e. The slope means the cost will increase 100 for each more tool produced.
Explanation:
a. When x = 30, C(x) = 100 x 30 + 3,300 = 6,300
b. When x = 31, C(x) = 100 x 31 + 3,300 = 6,400
c. 6,400 - 6,300 = 100
d. C(x) = 100x + 3,300 = 100
:)