Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7)
B. (x2 + 7)(x - 12)
C. x(x + 12)(x - 7)
D. (x2 + 12)(x - 7)
Answer: C
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f(x) = 
x ? 0
A. f(x) is increasing on [?, 2?], [3?, 4?],...
f(x) is concave up on 
, 
, 
, . . .
B. f(x) is increasing on [0, ?], [2?, 3?],...
f(x) is concave up on 
, 
, 
, . . .
C. f(x) is increasing on [0, ?], [2?, 3?],...
f(x) is concave up on (0, ?), (2?, 3?), (4?, 5?), . . .
D. f(x) is increasing on 
, 
, 
, . . .
f(x) is concave up on [0, ?], [2?, 3?], . . .
Use the graph to answer the question.
Identify the utility that reaches its greatest percentage of the total bill in April.
A. Electric B. Gas C. Water D. None of the utilities reaches its greatest percentage in April.
Find the area of the polygon.4 m
9 m
A. 52 m2 B. 72 m2 C. 144 m2 D. 26 m2
Find the LCD for the fractions in the list.
, 
A. 6 B. 30 C. 15 D. 10