The histogram shows the scores of each participant in a game from a total of 100 participants. 
How many participants scored 60-79?
A. 38 participants
B. 3 participants
C. 16 participants
D. 6 participants
Answer: A
Mathematics
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Evaluate the line integral of f(x,y) along the curve C.f(x,y) = 4y2, C: y = e-x, 0 ? x ? 3
A. 
B. 
C. 
[2
- (e- 6 + 1)3/2]
D. 2[2
- (e- 6 + 1)3/2]
Mathematics
Find the point of the curve at which the curvature is at a maximum.y = -x2 + 10x
A. (25, -5) B. (5, 25) C. (-25, 5) D. (-5, -25)
Mathematics
Write an equation for the parabola with vertex at the origin.Through (6, -6
), symmetric with respect to the x-axis
A. y2 = 36x
B. x = 36y2
C. x2 = -
y
D. x = 
y2
Mathematics
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = -x2 + 9x - 1
A. Maximum: 
B. Maximum: - 
C. Minimum: -1
D. Minimum: 
Mathematics