Find the reference angle for the given angle.-48.1°
A. 48.1°
B. 48.6°
C. 41.9°
D. 42.4°
Answer: A
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A. 
B. - 
C. 1
D. Diverges
Change the logarithmic expression to an equivalent expression involving an exponent.log4
= -2
A. 4-2 = 
B. 416 = 2
C. 
2 = 4
D. 24 = 
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -7; r = -3
A. a5 = 189; an = -7 ? (-3)n B. a5 = 189; an = -7 ? (-3)n-1 C. a5 = -567; an = -7 ? (-3)n-1 D. a5 = -567; an = -7 ? (-3)n
Solve the problem.A ball is thrown vertically upward with an initial velocity of 192 feet per second. The distance in feet of the ball from the ground after t seconds is 
For what intervals of time is the ball less than 512 above the ground (after it is tossed until it returns to the ground)?
A. between 4 and 8 seconds B. between 0 and 4 seconds and between 8 and 12 seconds C. between 0 and 3.5 seconds and between 8.5 and 12 seconds D. between 0 and 5.5 seconds and between 6.5 and 12 seconds