Factor when possible.x2 - 5x - 24
A. (x + 8)(x + 1)
B. (x - 8)(x + 3)
C. (x + 8)(x + 3)
D. x2 - 5x - 24
Answer: B
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Find the length of the curve.The curve r = 7
, 0 ? ? ? 
A. 
(? + 2)
B. 
?
C. 2?
D. 7(? + ln(? + 
))
Solve the equation and express the solution in exact form using either ln or log as indicated.3(3)x - 3 + 2 = 29
Express the answer using log.
A. 
B. 
C. 
D. 
Solve the problem.Exposure to ionizing radiation is known to increase the incidence of cancer. One thousand laboratory rats are exposed to identical doses of ionizing radiation, and the incidence of cancer is recorded during subsequent days. The researchers find that the total number of rats that have developed cancer t months after the initial exposure is modeled by 
for 
months. Find the rate of growth of the number of cancer cases at the 7th month. Round your answer to the nearest tenth, if necessary.
A. 18 cases/month B. 126.3 cases/month C. 13 cases/month D. 22 cases/month
Use the given graph of f(x) to find the intervals on which f'(x) > 0.
A. f'(x) > 0 on [-36, 36], f'(x) < 0 on (-?, -36] ? [36, ?) B. f'(x) > 0 on (-?, 6], f'(x) < 0 on [6, ?) C. f'(x) > 0 on [-6, 6], f'(x) < 0 on (-?, -6] ? [6, ?) D. f'(x) > 0 on (-?, -6] ? [6, ?), f'(x) < 0 on [-6, 6]