Find the indicated term of the geometric sequence.a5 when a1 = 9 and r = 3.
A. 81
B. 729
C. 108
D. 2187
Answer: B
Mathematics
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Determine whether the equation is an identity. If it is an identity, prove it.
= 
What will be an ideal response?
Mathematics
Find the first term and the common ratio of the geometric sequence.75, 30, 12, 4.8, 1.92, . . .
A. a1 = 0.4, r = 2.5 B. a1 = 0.4, r = -0.4 C. a1 = 75, r = 1.92 D. a1 = 75, r = 0.4
Mathematics
Evaluate the logarithm without using a calculator.ln l
A. -1 B. 0 C. 1 D. e
Mathematics
Graph the parabola.x = y2 - 4
A. 
B. 
C. 
D. 
Mathematics