Find a general term an for the geometric sequence.a1 = 
, r = -3
A. an = 
? (-3)n-1
B. an = 
- 
(n - 1)
C. an = 
n-1
- 
D. an = 
- 
(n - 1)
Answer: A
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Provide an appropriate response.The monthly cost of a certain texting plan is given by the function C(n) = 0.05n + 9.95, where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(140) Monthly Cost of Texting Plan
A. 7.00; it costs $7.00 to send 140 texts in a month using a certain texting plan. B. 15.95; it costs $15.95 to send 140 texts in a month using a certain texting plan. C. 16.95; it costs $16.95 to send 140 texts in a month using a certain texting plan. D. 23.95; it costs $23.95 to send 140 texts in a month using a certain texting plan.
Provide an appropriate response.Perform the indicated operations without a calculator: 
=
A. 4 B. 9 C. 6 D. 2
Solve the equation for x. Give an approximate solution accurate to four decimal places.log (11x + 7) = -0.6
A. -6.7488 B. -0.9641 C. -74.2368 D. -0.6135
Solve the linear programming problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 900 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A. 13 P1 planes and 9 P2 planes B. 9 P1 planes and 13 P2 planes C. 14 P1 planes and 7 P2 planes D. 5 P1 planes and 22 P2 planes