Find the general term, an, of the given geometric sequence.1, 
, 
, ...
A. an = 
B. an = 
C. an = 1 - 
n
D. an = 
Answer: A
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Establish the identity.
= tan(2?)
What will be an ideal response?
Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.
What will be an ideal response?
Solve by addition or substitution.
x - 
y = 3
x + 
y = 2
A. 
B. 
C. 
D. ?
Find the indicated roots. Write the answer in a + bi form.Fifth roots of -1 - i
A. 1 + i, -0.65 + 1.25 i, 1.39 - 0.22 i, -0.22 - 1.39 i, 1.25 - 0.65 i B. 1 + i, -0.65 + 1.25 i, 1.39 + 0.22 i, -0.22 + 1.39 i, -1.25 - 0.65 i C. 0.76 + 0.76 i, -0.49 - 0.95 i, 1.05 + 0.17 i, -0.17 - 1.05 i, 0.95 - 0.49 i D. 0.76 + 0.76 i, -0.49 + 0.95 i, 1.05 - 0.17 i, -0.17 - 1.05 i, 0.95 - 0.49 i