Choose the description that matches the equation of the conic section.2x2 + 2y2 = 13
A. A circle with its center at the origin.
B. A hyperbola with its center at the origin.
C. An ellipse with its center at the origin.
D. A parabola with its center at the origin.
Answer: A
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Given f(x) and g(x), find the indicated composition.f(x) = 4x2 + 6x + 5; g(x) = 6x - 8Find (g ? f)(x).
A. (g ? f)(x) = 4x2 + 6x - 3 B. (g ? f)(x) = 24x2 + 36x + 22 C. (g ? f)(x) = 24x2 + 36x + 38 D. (g ? f)(x) = 4x2 + 36x + 22
Factor the sum or difference of cubes.z3 - 1
A. (z + 1)(z2 - z + 1) B. (z - 1)(z2 - 2z + 1) C. (z - 1)(z2 - 1) D. (z - 1)(z2 + z + 1)
Write the number in scientific notation.33,000,000
A. 3.3 × 107 B. 3.3 × 10-8 C. 3.3 × 108 D. 3.3 × 10-7
Find the slope-intercept form of the line satisfying the given conditions.Through (-8, 1.5) and (-3, 3.5)
A. y = -2.5x + 4.7 B. y = 2.5x + 4.7 C. y = -0.4x + 4.7 D. y = 0.4x + 4.7