Write the first four terms of the arithmetic sequence with the given characteristics.d = -7, a11 = -53
A. 10, 3, -4, -11
B. -53, -60, -67, -74
C. 17, 10, 3, -4
D. 0, 17, 10, 3
Answer: C
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Use the fundamental identities to simplify the expression.
+ csc ? sin ?
A. sec2? B. tan2? C. 1 D. csc2?
Find an equation of the line. Write the equation using function notation.(0, 0), 
A. f(x) = 
B. f(x) = 8x
C. f(x) = 8
D. f(x) = 
x
Solve the problem by using a system of equations.The distance between city A and city B is 200 mi more than the distance between city C and city D. Together, the two distances total 1750 mi. How far is it between city A and city B? How far is it between city C and city D?
A. City A and B: 1750 mi; City C and D: 1550 mi B. City A and B: 975 mi; City C and D: 775 mi C. City A and B: 975 mi; City C and D: 875 mi D. City A and B: 875mi; City C and D: 775 mi
Solve the problem.For the following table of data, a.Draw a scatterplot.b.Calculate the correlation coefficient.c.Calculate the least squares line and graph it on the scatterplot.d.Predict the y-value when x is -23.
?
A. a.
b. -0.966
c. Y = 0.82x + 0.11
d. -18.97
B. a.
b. 0.966
c. Y = 0.82x - 0.11
d. -18.97
C. a.
b. -0.966
c. Y = -0.82x - 0.11
d. 18.75
D. a.
b. 0.966
c. Y = 0.82x + 0.11
d. -18.75