Find the indicated term of the geometric sequence.a1 = 3, r = -2; Find a2.
A. a2 = -12
B. a2 = 12
C. a2 = -6
D. a2 = 6
Answer: C
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 1.68 × 10-1 B. 1.96 × 10-2 C. 6.00 × 10-2 D. 3.36 × 10-2
Use identities to rewrite the following expression as sin ?, cos ?, tan ?, csc ?, sec ?, or cot ?.
+ tan ?
A. cot ? B. cos ? C. sin ? D. sec ?
Solve the problem.The purchase price of a telephone is $337. If the sales tax rate is 2%, what is the overall price of the phone? Round your answer to the nearest cent.
A. $404.40 B. $340.37 C. $343.74 D. $347.11
Use synthetic division to find the quotient.(3x4 - 2x3 - 10x2 + 15) ÷ (x - 2)
A. 3x3 + 4x2 - 2x - 4 + 
B. 3x3 + 4x2 - x - 3 + 
C. 3x3 + 4x2 - 2x - 4 + 
D. 3x3 + 4x2 - 2x + 4 + 