Find the intercepts of the function f(x).f(x) = 3x3 - 19x2 + 30x - 8
A. x-intercepts: - 
, 2, -4; y-intercept: -8
B. x-intercepts: - 
, 1, -2; y-intercept: -8
C. x-intercepts: 
, 2, 4; y-intercept: -8
D. x-intercepts: 
, 1, 2; y-intercept: -8
Answer: C
Mathematics
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Find the standard equation of a parabola with the given focus or directrix. Assume that the vertex is at the origin.Directrix y = 3?
A. y2 = -12?x B. x2 = -12?y C. x2 = -3?y D. y2 = 4?x
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Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
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Divide.- 
÷ 3
A. -4
B. - 
C. 
D. - 
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Find the volume of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Rectangular prism: l = 11 in., w = 15 in., h = 14 in.
A. V = 2310 in.3 B. V = 2475 in.3 C. V = 1694 in.3 D. V = 2940 in.3
Mathematics