Plot the point.(-2.5, 0)
A. 
B. 
C. 
D. 
Answer: A
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Solve the differential equation.y'' - 4y' + 29y = 0
A. y = e-2x(C1 cos 5x + C2 sin 5x) B. y = ex(C1 cos 2x + C2 sin 5x) C. y = e2x(C1 cos 5x + C2 sin 5x) D. y = C1 e2x + C2 e5x
Use the definition of a logarithm to prove 
.
What will be an ideal response?
Identify the conic section that the polar equation represents. Describe the location of a directrix from the focus located at the pole.r =
A. parabola; The directrix is 1 unit(s) above the pole at y = 1. B. parabola; The directrix is 1 unit(s) to the right of the pole at x = 1. C. parabola; The directrix is 1 units below the pole at y = -1. D. parabola; The directrix is 1 unit(s) to the left of the pole at x = -1.
Graph the function by hand. Use the graph to (a) find the range, (b) give the interval over which the function is increasing, and (c) give the interval over which the function is decreasing. Round approximations to two decimal places.f(x) = 
A. (a) [0, ?) (b) None (c) (-?, 4) B. (a) (-?, ?) (b) None (c) (-?, ?) C. (a) [0, ?) (b) {4} (c) (-?, 4) D. (a) (-?, 4) (b) None (c) (-?, 4)