Graph the equation and its tangent.Graph y = x2 - 2x - 8 and the tangent to the curve at the point whose x-coordinate is -2.
A. 
B. 
C. 
D. 
Answer: A
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Solve.A rectangular plot has area 126 yd2 with a perimeter of 46 yd. What is the length of the longest side?
A. 12 yd B. 13 yd C. 14 yd D. 16 yd
Solve the problem.The perimeter of a rectangle is 48 cm. One side is 10 cm longer than the other side. Find the lengths of the sides.
A. 7 cm, 10 cm B. 9 cm, 19 cm C. 14 cm, 24 cm D. 7 cm, 17 cm
Evaluate the expression.
+ 
A. 
B. 
C. 
D. 
An object of mass m (in grams) attached to a coiled spring with damping factor b (in grams per second) is pulled down a distance a (in centimeters) from its rest position and then released. Assume that the positive direction of the motion is up and the period is T (in seconds) under simple harmonic motion. Develop a model that relates the distance d of the object from its rest position after t seconds.m =30, a = 6, b = 0.5, T = 4
A. d = -6e-0.5t/60 cos 
B. d = 6e0.5t/60 cos 
C. d = -6e-0.5t/60 cos 
D. d = 6e-0.5t/60 cos 