The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Write the solution set in interval notation.{x|-4 < x < 0}
A. [-4, 0] B. [-4, 0) C. (-4, 0] D. (-4, 0)
Mathematics
Write as a decimal.29%
A. 0.18 B. 0.029 C. 2.9 D. 0.29
Mathematics
An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;
T = 3 seconds
A. d = -3 cos 
B. d = -5 sin 
C. d = -5 cos 
D. d = -5 cos 
Mathematics
Add or subtract as indicated. Write your answer in the form a + bi.(5 + 7i) - (-8 + i)
A. -13 - 6i B. -3 + 8i C. 13 + 6i D. 13 - 6i
Mathematics