Determine whether the sequence is geometric. If so, find the common ratio.
7, 14, 22, 70...
a. Geometric sequence, r =1
b. Geometric sequence, p = 2
c. Geometric sequence, r = 3
d. Not a geometric sequence
d. Not a geometric sequence
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Find the eccentricity of the ellipse.Find the eccentricity of an ellipse centered at the origin having a focus of 
and corresponding directrix 
A. 
B. 
C. 
D. 
Find the first partial derivatives of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A car rental company has two rental rates. Rate 1 is 
per day plus 
per mile. Rate 2 is 
per day plus 
per mile. If you plan to rent for one day, how many miles would you need to drive to pay less by taking Rate 2?
A. more than 900 miles B. more than 800 miles C. more than 400 miles D. more than 1600 miles
Simplify.-(-(-9))
A. -9 B. -1 C. 1 D. 9