Find the exact value of the expression.tan 105°
A. 
B. 
C. -2 - 
D. 2 + 
Answer: C
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Explain whether the given equation defines an exponential function. Give the base for each exponential function.y = 1x
A. No, the base is a constant. B. Yes. the base is x. C. Yes, the base is 1. D. No, the base is 1.
Convert the angle from radians to degrees. Express your answer as a decimal rounded to two decimal places.-2.4
A. -137.71° B. -275.02° C. -137.51° D. -274.82°
State whether the problem relates to an ordinary annuity or an annuity due. Jane Adele deposits $600 in an account at the beginning of each 3-month period for 10 years. If the account pays interest at the annual rate of 6%, compounded quarterly, how much will she have in her account after 10 years? ?
A. ordinary annuity B. annuity due
Graph the solution set of the system of inequalities.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 