Solve the equation for the unknown quantity.4x + 2 = 2x - 2
A. -1
B. 1
C. -2
D. 2
Answer: C
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Solve the problem.You need a $120,690 loan. Compute the monthly payment for each of the loan options listed below. Assume that the loans are fixed rate.Option 1: a 30 year-loan at an APR of 7.15%Option 2: a 15-year loan at 6.75%
A. Option 1: $832.96 Option 2: $1116.40 B. Option 1: $803.13 Option 2: $1035.62 C. Option 1: $829.12 Option 2: $1104.52 D. Option 1: $815.15 Option 2: $1068.00
Express the product as a sum containing only sines or cosines.cos (2?) cos (4?)
A. 
[cos (6?) - cos (2?)]
B. 
[cos (2?) + cos (6?)]
C. 
[cos (6?) - sin (2?)]
D. cos2 (6?2)
Complete the identity.
= ?
A. cos ? + sin ? B. cos ? - sin ? C. cot ? - 1 D. cot ? + tan ?
Complete the identity.
+ 
= ?
A. 1 + cot ? B. sin ? tan ? C. sec ? csc ? D. -2 tan2 ?