Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Answer: D
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Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cot (cos-1 u)
A. 
B. 
C. 
D. 
Solve the problem using the loan payoff table or an amortization table.
John Thomas bought a new car for $16,445. He paid 10% down and monthly payments for 3 years at 10%. Find the amount of each monthly payment necessary to amortize the loan and the total amount of interest paid over the 3 years.
A. $559.61, $5,345.46 B. $484.57, $2,644.02 C. $530.68, $2,659.48 D. $477.61, $2,393.46
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = -(y + 1)2 + 6
A. 
opens left; vertex (1, -6);
axis of symmetry y = -6
B. 
opens left; vertex (6, -1);
axis of symmetry y = -1
C. 
opens left; vertex (-1, 6);
axis of symmetry y = 6
D. 
opens left; vertex (6, 1);
axis of symmetry y = 1
Select the graph of the rational function: 
a. 
b. 
c. 
d. 