Evaluate the function.Given f(x) = 
, find f(-5).
A. 
B. - 
C. 11
D. - 1
Answer: C
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Provide an appropriate response.A certain drug is eliminated from the bloodstream exponentially with a half-life of 12 hours. Suppose that a patient receives an initial dose of 25 milligrams of the drug at midnight. Estimate when the drug concentration will reach 20% of its initial level.
A. 40 hours B. 16 hours C. 58 hours D. 28 hours
Find the indicated series by the given operation.Show that by differentiating term by term the expansion of 
the result is the expansion for 
.
A. 
= 2
B. 
= 2x(1 - x2 + x4 - x6 + . . . )
C. 
= 2
D. 
= 2x(1 + x2 - x4 + x6 - . . .)
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. (2x - 8)(x) = 5
A. a = 2, b = -8, c = 5 B. a = 2, b = -8, c = -5 C. a = 2, b = 8, c = 5 D. a = -2, b = -8, c = -5
Solve the problem.In a recent International Gymnastics competition, the U.S., China, and Romania were the big winners. If the total number of medals won by each team are three consecutive integers whose sum is 33 and the U.S. won more than China who won more than Romania, how many medals did each team win?
A. U.S.: 12 medals; China: 11 medals; Romania: 10 medals B. U.S.: 35 medals; China: 34 medals; Romania: 33 medals C. U.S.: 10 medals; China: 9 medals; Romania: 8 medals D. U.S.: 13 medals; China: 12 medals; Romania: 11 medals