Use a graphing utility to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.-8 - 24 - 72 - 216 - 648 - ... - 8 ? 311
A. -2,125,723
B. -2,125,760
C. -2,125,758
D. -2,125,780
Answer: B
Mathematics
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Express as a product.log y52
A. log y ? log 52 B. log y ? log y C. y log 52 D. 52 log y
Mathematics
Find the first three terms of the Taylor series in x - a.cos x, a = 
A. 
- 
3 + 
5 - . . .
B. 
- 
2 + 
3 - . . .
C. 1 - 
- 
2 + . . .
D. 1 - 
2 + 
3 - . . .
Mathematics
Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = x2 + 7x - 2; f '(0)
A. f '(x) = 2x; f '(0) = 0 B. f '(x) = 2x + 7; f '(0) = 7 C. f '(x) = x + 7; f '(0) = 7 D. f '(x) = 2x - 2; f '(0) = - 2
Mathematics
Solve.A high school graduating class is made up of 384 students. There are 78 more girls than boys. How many boys are in the class?
A. 153 boys B. 78 boys C. 231 boys D. 384 boys
Mathematics