Simplify the fraction, if possible.
A. undefined
B. 23
C. -23
D. 0
Answer: A
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Find dy/dx without eliminating the parameter.x = 4 tan t - 2, y = 6 sec t + 3, t ? 
A. 
sec t
B. 
csc t
C. 
tan t
D. 
sin t
Write a formula for the nth term of the infinite sequence. Do not use a recursion formula.1, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
n-1
D. an = 
Provide an appropriate response.Suppose you leave an initial amount of $315 in a savings account for 10 years. If interest is compounded monthly, use a graphing calculator to graph the compound amount S as a function of the nominal rate of interest. Determine the nominal rate of interest so that there is $519 after 10 years.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Find the constant of variation k. Assume that y is directly proportional to x.
A. -0.4 B. 6.4 C. -6.4 D. 0.4