Factor the trinomial completely.x2 - 12x + 144
A. (x - 12)2
B. (x + 12)2
C. (x + 12)(x - 12)
D. prime
Answer: D
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Simplify the expression.
A. 4x2
B. 
C. 2x4
D. 2x2
Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.y = -cot x
A. Reflection across the x-axis B. Vertical translation down 1 unit C. Reflection across the x-axis and the y-axis D. Vertical translation up 1 unit
Factor completely, or state that the polynomial is prime.m3 - mn2 + m2n - n3
A. (m + n)(m - n) B. (m + n)2(m - n) C. prime D. (m - n)2(m + n)
Determine whether the function is continuous at the given point c. If the function is not continuous, determine whether the discontinuity is removable or nonremovable. f(x) = x cos 
; c = 0
A. Discontinuous; removable, define f(0) = 1 B. Continuous C. Discontinuous; removable, define f(0) = 0 D. Discontinuous; nonremovable