Find the sum of the series.
A. 874
B. 873
C. 720
D. 21
Answer: A
Mathematics
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Find all the local maxima, local minima, and saddle points of the function.
A. f(0, 0) = 8, saddle point; f(4, 4) = 520, local maximum B. f(0, 0) = 8, test is inconclusive C. f(4, 0) = 8, local minimum; f(0, 4) = 8, local minimum D. f(4, 4) = 520, local maximum
Mathematics
Multiply. Assume all variables represent nonnegative real numbers.
? 
A. x4
B. 15x4
C. 
D. 
Mathematics
Ln x = 4.2. Find x.
What will be an ideal response?
Mathematics
Find the range of the given function. Express your answer in interval notation.f(x) = 4x2 + 16x + 19
A. (-?, 2] B. (-?, -3] C. [3, ?) D. [ - 2, ?)
Mathematics