Find an equation of the parabola that satisfies the given conditions.Focus (0, 2), directrix y = -2.
A. y2 = 8x
B. y2 = 24x
C. x2 = 8y
D. x2 = 24y
E. x2 = -2y
Answer: C
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Evaluate the integral.
A.
B.
C. 212
D.
Solve the exponential equation using the method of "relating the bases" by first rewriting the equation in the form 2x =
A. {-3}
B.
C. {3}
D.
Using determinants, solve the following for x, y, and z:
x + 2y + z = 3 2x + y + 4z = 10 3x + 4y - z = 7 a. 58 18 7 x = ÄÄ y = ÄÄ z = ÄÄ 16 16 16 b. 58 12 14 x = ÄÄ y = - ÄÄ z = ÄÄ 16 16 16 c. 29 11 14 x = ÄÄ y = - ÄÄ z = ÄÄ 16 16 16 d. 58 20 20 x = ÄÄ y = - ÄÄ z = ÄÄ 16 16 16 e. 29 18 14 x = ÄÄ y = ÄÄ z = ÄÄ 16 16 16
Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x3 + 8, g(x) =
A. Yes, no B. No, no C. Yes, yes D. No, yes