Find the mean. If necessary, round to one decimal place.17, 12, 4, 9, 4, 4, 7
A. 8.1
B. 9.6
C. 7.6
D. 9.5
Answer: A
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Solve the problem.Find the vertices and asymptotes of the following hyperbola:
- 
= 1
A. Vertices: (0, 4), (0, -4); Asymptotes: y = ± 4x
B. Vertices: (4, 0), (-4, 0); Asymptotes: y = ± 
x
C. Vertices: (0, 16), (0, -16); Asymptotes: y = ± 
x
D. Vertices: (0, 4), (0, -4); Asymptotes: y = ± 
x
Find all the second partial derivatives.f(x, y) = xy2 + yex2 + 5
A. 
= 2yex2; 
= 2x; 
= 
= 2xex2
B. 
= 2yex2; 
= 2x; 
= 
= 2y + 2xex2
C. 
= yex2(1 + 2x2); 
= x; 
= 
= y + xex2
D. 
= 2yex2(1 + 2x2); 
= 2x; 
= 
= 2y + 2xex2
Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.Passing through (0, -1) and (1, 0)
A. y = x + 1 B. y = x - 1 C. y = -x - 1 D. y = -x + 1
Find the slope of the tangent line to the graph at the given point.f(x) = x2 + 5x at (4, 20)
A. 13 B. 9 C. 21 D. 3