Solve.A suitcase has a length of 9x inches, a width of 6x, and a height of 2x. A small box of height 2 inches, length 4 inches, and width 4 inches, is placed in the suitcase. The suitcase is otherwise empty. Write an expression for the empty volume of the suitcase, then factor completely.
A. 4(3x - 2)3
B. 4(3x - 2)(9x2 + 6x + 4)
C. 4(3x - 2)(9x2 + 12x + 4)
D. 4(3x + 2)(9x2 - 6x + 4)
Answer: B
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Solve the problem.An open (no top) box has height h and a square base with side length s. Its total surface area is 800 cm2. Find ds/dh in terms of s and h.
A. 
= 
B. 
= 
C. 
= 
D. 
= -2 - 
Show the solution set of each inequality on a number line.-2 < x < 2
A. 
B. 
C. 
D. 
Sketch the graph of f(x). Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = ex - 5
A. Domain: (-?, ?), range: (-5, ?)
Horizontal asymptote: y = -5
B. Domain: (-?, ?), range: (5, ?)
Horizontal asymptote: y = 5
C. Domain: (-?, ?), range: (-?, 5)
Horizontal asymptote: y = 5
D. Domain: (-?, ?), range: (-5, ?)
Horizontal asymptote: y = -5
Find the measure of the third angle of a triangle if the measures of the other two angles are given.40° and 80°
A. -30° B. 240° C. 60° D. 120°