Simplify.
A. 
B. 
C. 
D. none of these
Answer: B
Mathematics
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Find the domain of the function.g(x) = 
A. (-?, 0) B. (-?, -7) ? (-7, ?) C. (0, ?) D. (-?, 7) ? (7, ?)
Mathematics
Solve the trigonometric equation symbolically, graphically, or numerically for 
4 sin2 ? - 3 = 0
A. ? = 60°, 120°, 240°, 300° B. ? = 225°, 315° C. ? = 60°, 120° D. ? = 45°, 135°, 225°, 315°
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x). Answers may vary.h(x) = 
A. f(x) = 
, g(x) = 9x
B. f(x) = 
, g(x) = x + 1
C. f(x) = 
, g(x) = x + 1
D. f(x) = x + 1, g(x) = 
Mathematics
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = 7
A. y-intercept: (0, 7), m: 0
B. y-intercept: (0, 0), m: 7
C. y-intercept: (0, 0), m: 
D. y-intercept: (7, 0), m: undefined
Mathematics