Simplify the expression. Assume that all variables are non-negative.
A. x
B. x3
C. x6
D. 
Answer: B
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Find the interval of convergence of the series.
A. -? < x < ? B. 3 < x < 5 C. x < 5 D. 3 ? x < 5
Solve the problem.Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is 
and the radius of the larger wheel is 
Through how many degrees will the larger wheel rotate if the smaller one rotates 
A. 61.12° B. 63.22° C. 62.22° D. 61.22°
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 2x - 3
A. vertex (1, 4)
intercepts (-1, 0), (3, 0), (0, 3)
B. vertex (-1, -4)
intercepts (1, 0), (- 3, 0), (0, -3)
C. vertex (1, -4)
intercepts (-1, 0), (3, 0), (0, -3)
D. vertex (-1, 4)
intercepts (1, 0), (- 3, 0), (0, 3)
Find a point-slope form equation for the line through the point with the given slope.(3, 8), m = 2
A. y - 8 = 2(x - 3) B. y + 8 = 2(x + 3) C. y + 8 = 2(x - 3) D. x - 3 = 2(y - 8)