Find the area enclosed by the given curves.y =  x2, y = -x2 + 6

A. 4
B. 16
C. 8
D. 32


Answer: B

Mathematics

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Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship S(x) = 100x + 3600, where S(x) represents the number of sales in year x, with x = 0 corresponding to 1982. Find the number of sales in 1998.

A. 5100 B. 10,300 C. 5200 D. 10,400

Mathematics

The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.MAJORWhat percent of students are history and science majors (to the nearest tenth of a percent)?

A. 28.6% B. 38.9% C. 36.7% D. 57.1%

Mathematics

After beginning antiseptic treatment, the number of bacteria in a population decreases at a rate of 40% per day, that is, dN/dt=-0.40N, After beginning antiseptic treatment, the number of bacteria in a population decreases at a rate of 40% per day, that is,

a) When t = 0 , there are 5,000,000 bacteria present. Find a function that satisfies this equation. (b) How many bacteria will remain after 3 days? (c) After how long do half of the original bacteria remain?

Mathematics

Evaluate.cos (cos-1 0.6695 + cos-1 0.8908)

A. 0.9659 B. -0.3575 C. 0.2589 D. 0.9339

Mathematics