Solve for the unknown in the equation.3(B + 5) = 5B + 15
A. B = 30
B. B = 15
C. B = -15
D. B = 0
Answer: D
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Find the absolute extreme values of the function on the interval.h(x) = 
x + 1, -2 ? x ? 4
A. absolute maximum is 1 at x = -4; absolute minimum is -4 at x = 2 B. absolute maximum is 1 at x = 4; absolute minimum is 0 at x = -2 C. absolute maximum is 1 at x = -2; absolute minimum is 0 at x = 4 D. absolute maximum is 3 at x = 4; absolute minimum is 0 at x = -2
Find the reference angle for the given angle.-79.7°
A. 79.7° B. 80.2° C. 10.8° D. 10.3°
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. no symmetry B. y-axis C. origin D. x-axis
Write the sum or difference as a product containing only sines and/or cosines.cos 
+ cos 
A. 2 sin(4?) sin ?
B. 2 cos(4?) cos 
C. 2 sin(4?) sin 
D. 2 cos(4?)