Complete the identity.sec x - 
= ?
A. 1 + cot x
B. -2 tan2 x
C. sec x csc x
D. sin x tan x
Answer: D
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Factor the polynomial completely. If the polynomial is prime, so state.6a2 + 11ab + 4b2
A. (2a - b)(3a - 4b) B. (2a + b)(3a + 4b) C. (6a + b)(a + 4b) D. prime
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-1, 0) and (3, 5); Decreasing on (0, 3); Constant on (-5, -3)
B. Increasing on (-2, 0) and (3, 4); Decreasing on (-5, -2) and (1, 3)
C. Increasing on (1, 3); Decreasing on (-2, 0) and (3, 5); Constant on (2, 5)
D. Increasing on (-2, 0) and (3, 5); Decreasing on (1, 3); Constant on 
Apply row operations to the augmented matrix to find the solution to the linear system.
A. x = 1, y = -5 B. x = 5, y = -1 C. x = -1, y = 5 D. x = -5, y = 1
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. -3
B. 3
C. - 
D. 