Find the LCM of the set of numbers.15, 20, 30, 40
A. 60
B. 108
C. 90
D. 120
Answer: D
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Indicate whether the equation illustrates the additive identity property, multiplicative identity property, additive inverses, or multiplicative inverses.-2 
= 1
A. Multiplicative inverse B. Additive inverse C. Multiplicative identity D. Additive identity
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = 12(x - 4)
A. vertex: (-1, 4) focus: (2, 4) directrix: x = -4 B. vertex: (4, -1) focus: (7, -1) directrix: x = 1 C. vertex: (-4, 1) focus: (-1, 1) directrix: x = -7 D. vertex: (4, -1) focus: (1, -1) directrix: x = 7
Find the requested product.f(x) = x + 4, g(x) = x - 10 Find (f ? g)(x) and (f ? g)(-2).
A. (f ? g)(x) = x2 - 6x - 40; (f ? g)(-2) = -24 B. (f ? g)(x) = x2 + 6x - 40; (f ? g)(-2) = -48 C. (f ? g)(x) = x2 - 6x + 40; (f ? g)(-2) = 56 D. (f ? g)(x) = x2 + 14x + 40; (f ? g)(-2) = 16
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.16x3 + 96x2 - 25x - 150 > 0
A. (-?, -6) ? 
B. 
? 
C. (-?, -6] ? 
D. 
