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Find the focus, directrix, and focal diameter of the parabola.
x2 = 5y
focus (x, y) = directrix = focal diameter =? Is the earth's interior mostly magma? Explain.? Use f(x) = 3x − 4 and g(x) = 5 − x^2 to evaluate the expression:
(f ○ g)(x)=
(g ○ f)(x)=? How do you check if a matrix is orthogonal in MATLAB? One assumption for the Independent t-test is Homogeneity of Variance. What does this term mean?