Use a Riemann sum to approximate the area under the graph of f(x) on the given interval, with selected points as specified.f(x) = x2, x = 2 to x = 6, n = 4; use midpoints of subintervals
A. 69
B. 86
C. 54
D. 62
Answer: A
Mathematics
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = 5xy - 5y, y(1) = 5, dx = 0.2
A. y1 = 1.5000, y2 = 3.7500, y3 = 60.7500 B. y1 = 2.5000, y2 = 6.7500, y3 = 40.5000 C. y1 = 5.0000, y2 = 6.0000, y3 = 8.4000 D. y1 = 0.5000, y2 = 6.0000, y3 = 32.4000
Mathematics
Solve the problem.Find the distance from the point 
to the plane 
A. 
B. 
C. 
D. 
Mathematics
Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 1 B. ? C. 0 D. -1
Mathematics
Find the net cost. Round to the nearest cent.$220 less 20/30
A. $108.90 B. $122.32 C. $114.40 D. $111.10
Mathematics