Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.5 + 15 + 45 + ... + 5 ? 3n-1 + ...
A. 
; 
B. 
; 
C. 
; series diverges
D. 
; series diverges
Answer: D
Mathematics
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Evaluate.-10 ÷ m2 - 2(m - 5), for m = 8
A. 
B. - 
C. - 
D. - 
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.2x2 - 5x ? 7
A. (-?, -1] ?
B. 
C. (-?, -1) ? 
D. 
Mathematics
Identify the equation as either an identity or not.
+ 
= 2 csc x
A. Identity B. Not an identity
Mathematics
Solve.The function 
models the number of calories per day, f(x), a person needs to maintain life in terms of the person's weight, x, in kilograms. How many calories does a person who weighs 54 kilograms (approximately 118.8 pounds ) need to maintain life? Round to the nearest whole number.
A. 1394 calories B. 2778 calories C. 4821 calories D. 2497 calories
Mathematics