Find the area of the surface obtained by rotating the circle about the line y=5.


d.

Mathematics

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Solve the quadratic equation using completing the square.x2 = 20x + 100

A. no real solution
B. {10 - 10, 10 + 10}
C. {-10 - 10, -10 + 10}
D. {-30, 30}

Mathematics

Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum , using the indicated point in the kth subinterval for ck.f(x) = -2x2, [0, 4], midpoint

A.

B.

C.

D.

Mathematics

Graph the piecewise function.f(x) = 

A.

B.

C.

D.

Mathematics

Divide and simplify. ÷  

A.
B.
C.
D.

Mathematics