Evaluate.(-|5| + |7|) - (8 - |-3|)
A. -9
B. -3
C. 13
D. 7
Answer: B
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Solve the problem.If 
is a convergent series of nonnegative terms, what can be said about 
, where k is a positive integer?
A. Always diverges B. May converge or diverge C. Always converges
Graph the equation. Include the coordinates of any local extreme points and inflection points.y = x + cos 2x, 0 ? x ? ?
A. local minimum: 
local maximum: 
inflection point: 
B. local minimum: (1.444, -0.246)
local maximum: (0.126, 1.031)
inflection points: (0.785, 0.393), (2.356, 1.178)
C. no local extrema
inflection point: 
D. local minimum: 
local maximum: 
inflection points: 
, 
Identify the following as an experiment or an observational study.At one hospital in 2005, 674 women were diagnosed with breast cancer. Five years later, 88% of the Caucasian women and 83% of the African American women were still alive.
A. Experiment B. Observational study
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one