Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (0, -25), (0, 25); asymptotes: y = x, y = - x

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1


Answer: D

Mathematics

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Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release. How many units can you expect to sell in week 7?

A. 2373 units B. 2989 units C. 2527 units D. 1911 units

Mathematics

Solve the problem.Carney and Dobler sell home and mortgage insurance. Their sales for the months of May and June are given in the matrices.   Home MortgageM =   J = Find the matrix that would give the change in sales from May to June.

A.

B.

C.

D.

Mathematics

Solve the inequality. Express your answer using interval notation.4x + 10 < 18

A. (2, ?)

B. [2, ?)

C. (-?, 2]

D. (-?, 2)

Mathematics

Use the intermediate value theorem to show that the polynomial has a real zero between the given values of a and b.a = -1 and b = 0f(x) = 7x5 + 5x3 + 5x2 + 6

A. f(-1) = 1 and f(0) = 6 B. f(-1) = -1 and f(0) = 6 C. f(-1) = 1 and f(0) = -6 D. f(-1) = 0 and f(0) = 7

Mathematics