Write a polar equation in r and ? of an ellipse with the focus at the origin, with the eccentricity and directrix x = -13.

What will be an ideal response?


Mathematics

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The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.The set of crops in both L and K

A. {c, h, n, r, s, t, w} B. {c, h, n, w} C. {c, n, r, s, t} D. {r, s, t}

Mathematics

For the given functions f and g, find the requested composite function.f(x) = 7x + 15, g(x) = 3x - 1;Find the function f ? g.

A. 21x + 14 B. 21x + 44 C. 21x + 22 D. 21x + 8

Mathematics

Multiply.3.0(-6.81)

A. -20.43 B. 9.81 C. 9.91 D. -3.81

Mathematics

Solve the problem.Is the function f(?) = sin ? + cos ? even, odd, or neither?

Fill in the blank(s) with the appropriate word(s).

Mathematics