Add or subtract as indicated.(8x2y - 7x + 7y2) + (-4x2y - 7x + 6y2)
A. 4x2y - 14x + 13y2
B. 4x4 y- 14x2 + 13y2
C. 4x2y - 7x + 13y2
D. -32x2y - 7x + 13y2
Answer: A
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Provide an appropriate response.A square has an area of 25 square inches.(i) What is the length of each side of the square?(ii) What is the perimeter of the square?
A. (i) The length of each side is 5 inches. (ii) The perimeter is 20 inches. B. (i) The length of each side is 10 inches. (ii) The perimeter is 25 inches. C. (i) The length of each side is 5 inches. (ii) The perimeter is 25 inches. D. (i) The length of each side is 20 inches. (ii) The perimeter is 100 inches.
Find the particular solution to the given differential equation that satisfies the given conditions.dy + 3 dx = x2 dy + 2xy dx; x = 2 when y = 2
A. y = x2y - 3x B. y = x2y - 3x + c C. y = x2y + 3x D. y = xy2 - 3x
Find an equation for the sphere with the given center and radius.Center (-1, 0, 0), radius = 1
A. x2 + y2 + z2 + 2x = 1 B. x2 + y2 + z2 - 2x = 1 C. x2 + y2 + z2 - 2x = 0 D. x2 + y2 + z2 + 2x = 0
Provide an appropriate response.If f(x, y) = 4x3y2 + 3x2y4 - 7xy2 + 4x - 3y + 2, find (a) fx(x, y) and (b) fy(x, y).
What will be an ideal response?