Use identities to find the indicated value for each angle measure.cos 2? = 
and ? terminates in quadrant I
Find sin ?.
A. sin ? = 2
B. sin ? = 
C. sin ? = - 
D. sin ? = 0
Answer: B
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For the function find the maximum number of real zeros that the function can have, the maximum number of x-intercepts that the function can have, and the maximum number of turning points that the graph of the function can have. f(x) = -16 - x2
A. 2; 2; 2 B. 2; 1; 1 C. 2; 2; 1 D. 1; 2; 2
Decide whether the statement is true or false.At least one irrational number is not an integer.
A. True B. False
A feasible region and its vertices are shown. Find the specified maximum or minimum value of the given objective function.
Maximum of K = 3x + y
A. 25 B. 39 C. 29 D. 7
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.15x2y2 + 22xy2 + 8y2
A. (3x + 4y)(5x + 2y) B. y2(5x + 4)(3x + 2) C. (5x + 4y)(3x + 2y) D. y2(x + 4)(15x + 2)