Factor the trinomial completely.4x3 - 32x2 + 60x
A. x(4x - 20)(x - 3)
B. x(x - 5)(4x - 12)
C. 4(x2 - 5x)(x - 3)
D. 4x(x - 5)(x - 3)
Answer: D
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Solve.Last year, Karl's average electricity bill was $123.49. Last month, his electricity bill was $163.19. How much above last year's average was last month's bill?
A. $40.70 B. $39.70 C. $39.80 D. $29.70
Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(3i)2
A. -9i B. 9i C. 9 D. -9
Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = x2 + 4x
A. domain: {x|-? < x < ?}
range: {y|y ? 4}
B. domain: {x|-? < x < ?}
range: {y|y ? 4}
C. domain: {x|-? < x < ?}
range: {y|y ? -4}
D. domain: {x|-? < x < ?}
range: {y|y ? -4}
Give the equation of the horizontal asymptote of the rational function.g(x) = 
A. y = 1 B. y = 0 C. x = 1 D. y = 6