Multiply the expressions.(-3x - 1)2
A. -3x2 + 1
B. 9x2 + 6x + 1
C. -3x2 + 6x + 1
D. 9x2 + 1
Answer: B
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The sketch of the solid is given below. Given a = 5, write the inequalities that describe it. Select the correct answer.
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Find the area.
A. 17 sq yd
B. 19 sq yd
C. 15 sq yd
D. 18
sq yd
The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).g(x)
f(x)
A. -1 ? x ? 4 B. x ? 2 or 1 ? x ? 4 C. x ? -1 or 1 ? x ? 4 D. 1 ? x ? 4
Solve the problem.You are riding your motorcycle along a freeway traveling x miles per hour. The function 
describes the recommended safe distance, f(x), in feet, between your motorcycle and the other motorcycles on the freeway. Use the values in the table below to solve this exercise. 
Find 
f(x). Describe what this means in terms of your motorcycle's speed and the recommended safe distance.
A. 94; This means that the recommended safe distance between motorcycles traveling at 50 miles per hour is 94 feet.
B. 
f(x) does not exist.
C. 93.999; This means that the recommended safe distance between motorcycles traveling at 50 miles per hour is 93.999 feet.
D. 50; This means that the recommended safe distance between motorcycles traveling at 50 miles per hour is 50 feet.