Solve the problem.Suppose that R ={(x, y): 0 ? x ? 4, 0 ? y ? 4}, and P is the partition of R into four equal squares by the lines x =2 and y = 2.
approximate
by calculatiang the Riemann sum
, assuming that
are the centers of the four squares.
A. 96
B. 48
C. 384
D. 192
Answer: D
Mathematics
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The triangle is not formed by which of the following??
A. ?Half of a rectangle. B. ?Half of a parallelogram. C. ?Half of a quadrilateral. D. ?Half of a another triangle. E. ?Half of a pentagon.
Mathematics
Solve the problem.Find the moment of inertia Iz of a tetrahedron of constant density bounded by the coordinate planes and the plane
.
A. 91
B.
C.
D.
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).y = 5
A. r cos ? = 5 B. r = 5 C. r sin ? = 5 D. sin ? cos ? = 5
Mathematics
Determine the function value.Suppose f(x) = logax and f(4) = 2. Find f .
A.
B. 4
C. -2
D. -4
Mathematics