A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 
A. 1, 
, 12, 
, 360
B. 1, 
, 
, 
, 
C. 1, 
, 
, 
, 
D. 1, 
, 
, 
, 
Answer: C
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Solve the problem.An object is launched vertically in the air at 40 feet per second from a platform 50 feet above the ground. The height of the object above the ground (in feet) t seconds after launch is given by 
How long does it take the object to reach its maximum height? What is the object's maximum height?
A. 2.5 sec; 75 ft B. 1.25 sec; 50 ft C. 2.5 sec; 50 ft D. 1.25 sec; 75 ft
Simplify the expression.
? 
3
A. 
sin4 x
B. 8 sin4 x
C. 
sin3 x
D. 
sin4 x
State whether the problem relates to an ordinary annuity or an annuity due. Mr. Gordon plans to invest $500 at the end of each month in an account that pays an annual rate of 9%, compounded monthly. After how many months will the account be worth $60,000? ?
A. ordinary annuity B. annuity due
Solve the initial value problem.
= 1; y "(0) = -4, y '(0) = 5, y(0) = 5
A. y = 
x3 - 2x2 + 5x + 5
B. y = 
x3 + 2x2 + 5
C. y = 
x3 - 2x2 + 5x + 5
D. y = 5