Rewrite the given expression without exponents.
A. 
? x + x + x + x + y + y
B. 
? x + x + y + y + y + y
C. 
? x ? x ? x ? x ? y ? y
D. 
? x ? x ? y ? y ? y ? y
Answer: D
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Solve the problem.The radius of a right circular cylinder is increasing at the rate of 
, while the height is decreasing at the rate of 
. At what rate is the volume of the cylinder changing when the radius is 11 in. and the height is 19 in.?
A. 1848? in.3/s B. 1848 in.3/s C. -358 in.3/s D. 3938? in.3/s
Solve.A truck's gas tank holds 45 gallons of gas. If the truck can travel 15 miles per gallon, how many miles can the truck travel before refueling?
Fill in the blank(s) with the appropriate word(s).
Find (f ?g)(x) for the given functions f(x) and g(x).f(x) = 3x + 5 and g(x) = 4x - 1
A. 12x + 2 B. 12x + 8 C. 12x + 19 D. 12x + 4
If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 