Question 11, 6.1.45

Part 1 of 3

An oil refinery produces oil at a variable rate given by the following equation, where t is measured in days and Q is measure in barrels.

if 0 st <30

if 30 ≤t <40

ift 240

600

Q'(t)= 2200-50t

100

a. How many barrels are produced in the first 35 days?

b. How many barrels are produced in the first 50 days?

c. Without using calculus, determine the number of barrels produced over the interval [70,80].

HW Score: 16.59%, 7.13 of 43 points

O Points: 0 of 3

a. The oil refinery produced barrels in the first 35 days.