Estimate the sum or difference by rounding each number to the nearest hundred.

A. 12,000
B. 12,400
C. 12,500
D. 12,429


Answer: C

Mathematics

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Sketch the surface z = f(x,y).f(x, y) = - 

A.

B.

C.

D.

Mathematics

Provide an appropriate response.Use a calculator to evaluate .

A. 205 B. 45 C. 55 D. 15

Mathematics

The rectangular coordinates of a point are given. Find polar coordinates for the point.(-1, 1.7) Round the polar coordinates to two decimal places, with ? in radians.

A. (-1.97, 0.53) B. (1.97, 0.53) C. (1.97, -0.53) D. (1.97, 2.1)

Mathematics

Graph the ellipse. Label the intercepts.45x2 + y2 = 225

A. (-, 0), (, 0), (0, -15), (0, 15)

B. (-, 0), (, 0), (0, -), (0, )

C. (-5, 0), (5, 0), (0, -15), (0, 15)

D. (-5, 0), (5, 0), (0, -), (0, )

Mathematics