Assume that 0 < ? < ?/2. Find an expression for the indicated trigonometric function.Let x = 8 tan ? in 
. Find sec ?.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Suppose that the population of a certain city during a certain time period can be modeled with the function, P(x) = -0.1x5 + 3.6x4 + 5000, where x is time in years since 1960. By sketching a graph of P(x), estimate during what time period the population of the city was increasing.
A. Between 1960 and 1989 B. Between 1989 and 1996 C. Between 1960 and 1974 D. Between 1965 and 1989
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 5k7q8 
B. 5q4 
C. 5k3q4 
D. 5k3q4 
Graph the polynomial function. Use synthetic division and the remainder theorem to find the zeros.f(x) = -x3 + 2x2 + 39x + 72
A. -3 (multiplicity 2), -8;
B. -3 (multiplicity 2), 8;
C. -3, 3, 8;
D. -3, 3, -8;
In the following table, Y1 is defined by a rational expression of the form 
. Use the table to find the values of p and q.
A. p = 2; q = 5 B. p = 4; q = 5 C. p = 5; q = 2 D. p = 5; q = 4