Find the nth term {an} of the geometric sequence. When given, r is the common ratio.7, 21, 63, 189, 567, ...
A. an = 7 ? 3n
B. an = 7 ? 3n
C. an = 7 ? 3n-1
D. an = a1 + 3n
Answer: C
You might also like to view...
Solve.The length of a rectangle is 16 meters, and the width is 12 meters. Find the measure of the diagonal of the rectangle.16 meters
A. 21 m B. 19 m C. 25 m D. 20 m
Find the exact value of the indicated trigonometric function of ?, if ? is an angle in standard position whose terminal side contains the given point.(3, 
); find sin ?.
A. 
B. 
C. 
D. 
Solve the problem.If f(x) = 3x3 + 6x2 - x + C and f(3) = 1, what is the value of C?
A. C = 25 B. C = 139 C. C = 31 D. C = -131
Find all cube roots of the complex number. Leave answers in trigonometric form.-125
A. 5 cis 180°, 5 cis 0° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 5 cis 120°, 5 cis 180°, 5 cis 300° D. 5 cis 30°, 5 cis 150°, 5 cis 270°