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 = an + 5
A. 1, 6, 11, 16, 21
B. 1, 6, 11, 16, 21, 26
C. 6, 11, 16, 21, 26
D. 1, 5, 25, 125, 625, 3125
Answer: A
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Solve the problem.Bob and Fred play the following game. Bob rolls a single die. If an even number results, Bob must pay Fred the number of dollars indicated by the number rolled. On the other hand, if an odd number is rolled, Fred must pay Bob the number of dollars indicated by the number rolled. Find Bob's expectation.
A. $0.40 B. -$0.25 C. $0.00 D. -$0.50
Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = -5 sin x + 7 cos x
A. 
, -2.5
B. 148, -2.5
C. 
, 2.5
D. 148, 2.5
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 5 B. 11 C. -5 D. 25
Write a numerical expression for the phrase and simplify it.The sum of -9 and 13 and 4
A. 9 + 13 + 4; 26 B. -9 + 13 + 4; 8 C. -9 - 13 - 4; -26 D. 13 + 4 - 9; 18