For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 2 - 2x, g(x) = -5x2 + 2Find (f + g)(x).
A. -7x2 - 2x + 4
B. -5x2 - 2x + 4
C. -7x + 4
D. -5x2 + 2
Answer: B
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - 
i; C is the region defined by the polar coordinate inequalities 2 ? r ? 4 and 
A. 
B. - 
C. 0
D. 
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 7x8 + 3x6 + 2x4 + 5x2 + 2
A. 
B. 
C. 
D. 
Suppose a standardized exam for admission to a special program has been passed by 54% of the students taking it over the last five years. Suppose that 1368 of 2400 students taking the test this year pass. What is the probability that at least 1368 would pass if the pass rate is 54%? Round your answer to four decimal places. ?
A. 0.0017 B. 0.9983 C. 0.1072 D. 0.2956 E. 0.4000
Simplify the ratio.$160 to $170
A. 
B. 
C. 
D. 