Find the sum.
+ 1 + 
+ . . . + 13
A. 
B. 
C. 
D. 230
Answer: B
Mathematics
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Solve the problem.The velocity field F of a fluid has a constant magnitude k and always points towards the origin. Following the smooth curve y = f(x) from (a, f(a)) to (b, f(b)), show that the flow along the curve is 
ds = k[(a2 + (f(a))2)1/2 - (b2 + (f(b))2)1/2]
What will be an ideal response?
Mathematics
Solve the inequality. Write the solution set in interval notation.x2 - 5x - 6 ? 0
A. [6, ?) B. [-1, 6] C. (-?, -1] ? [6, ?) D. (-?, -1]
Mathematics
Fill in the blank with the appropriate measurement relationship.1 ton = 
lb
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the vertex.f(x) = (x + 4)2 + 4
A. (0, 4) B. (4, 0) C. (-4, -4) D. (-4, 4)
Mathematics