Find the following. Assume that the letter can represent any real number.

A.
B. -
C.
D. x


Answer: A

Mathematics

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Solve the problem.Evaluate  at t = 5 for the function w(x, y) = ey - ln x; x = t2, y = ln t.

A.
B.
C. 3
D. - 

Mathematics

Restate in a logically equivalent form.It is not tasty or it is not sour.

A. It is not true that it is both tasty and sour. B. If it is not tasty, then it is not sour. C. If it is tasty, then it is sour. D. If it is sour, then it is tasty.

Mathematics

Use the distributive property to rewrite a sum as a product or the product as a sum.-4(x + k)

A. -4x - 4k B. -4x + k C. -4x + 4k D. -4xk

Mathematics

Find the intercepts of the circle. Round to the nearest hundredth, when necessary.(x + 4)2 + (y - 2)2 = 28

A. The two x-intercepts are x ? 1.66 and x ? -9.66, and the two y-intercepts are y ? 8.63 and y ? -4.63. B. The two x-intercepts are x ? 8.9 and x ? -0.9, and the two y-intercepts are y ? 1.46 and y ? -5.46. C. There are no intercepts. D. The two x-intercepts are x ? 0.9 and x ? -8.9, and the two y-intercepts are y ? 5.46 and y ? -1.46.

Mathematics