A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 2, an+2 = an+1 - an
A. 1, 2, 1, -1, -2
B. 1, -1, 2, -3, 5
C. 1, 2, 1, 0, -1
D. 1, -2, 3, -4, 5
Answer: A
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Express the value of the inverse hyperbolic function in terms of natural logarithms.tanh-1 
A. 
ln 13
B. 
ln -13
C. 
ln 143
D. 
ln 1
Use scientific notation to solve the problem.A computer can do one calculation in 1.4 x 10-7seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 x 106 sec B. 1.4 x 1012 sec C. 1.4 x 10-7 sec D. 1.4 x 105 sec
Use the percentage method of withholding to find the federal withholding tax, a 6.2% FICA rate to find the FICA tax, and 1.45% to find the Medicare tax. Then find the net pay for the employee. Assume that the employee has not earned over $115,000 so far this year.
Erika Du Mesnil has gross earnings of $7914.27 semimonthly. She is married and has 4 withholding allowances.
A. $7,308.83 B. $6,479.34 C. $8,743.76 D. $5,873.90
Find the indicated trigonometric function of ?.
sec ?
A. 
B. 
C. 
D. 1