Perform the indicated operations and simplify the result so there are no quotients.tan ?(cot ? - cos ?)
A. 0
B. - sec2?
C. 1
D. 1 - sin ?
Answer: D
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The nth term of a sequence is given. Find the first 4 terms.an = n2 - 2
A. -1, 2, 5, 14 B. -1, -4, 7, 14 C. 7, 10, 11, 18 D. -1, 2, 7, 14
Use the compound interest formulas A = P
nt and 
to solve.Find the accumulated value of an investment of $1900 at 8% compounded quarterly for 2 years.
A. $2216.16 B. $2204.00 C. $1976.76 D. $2226.15
Determine which, if any, of the following functions might be used as a model for the data: Linear, with 
quadratic, with 
quadratic, with with 
neither linear nor quadratic.
A. f(x) = mx + b B. f(x) = ax2 + bx + c, a < 0 C. f(x) = ax2 + bx + c, a > 0 D. neither linear nor quadratic
Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 1, -1, -i D. 5 cis 0°, 5 cis 120°, 5 cis 240°