Convert the rectangular equation to a polar equation that expresses r in terms of ?.x = 4
A. r = 
B. r = 4
C. r = 
D. cos ? = 4
Answer: A
Mathematics
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Find the common ratio r for the given infinite geometric sequence.4, 16, 64, 256, 1024, . . .
A. 16
B. 4
C. 
D. -4
Mathematics
Solve the equation.-4x = -16
A. 4 B. 2 C. 12 D. -12
Mathematics
Simplify the expression.
÷ 
A. 5x2 + 5x
B. 
C. 
D. 5x2
Mathematics
Evaluate. Assume u > 0 when ln u appears. 
A. 2et + 9et + C
B. 
+ 9et + C
C. 2tet2 + 9et + C
D. 
+ 9et + C
Mathematics