Simplify the expression.
A. 
B. 18
C. 
D. 1
Answer: A
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Solve the problem.Find the average height of the paraboloid 
above the disk 
in the 
.
A. 
B. 
C. 
D. 3
Find the domain of the rational function.f(x) = 
A. {x|x ? -3, -8} B. {x|x ? -3, -8, -5} C. {x|x ? 3, 8} D. all real numbers
Find the y- and x-intercepts for the equation. Then graph the equation.-6x - 24y = 24
A. (0, 1); (4, 0)
B. (0, 1); (-4, 0)
C. (0, -1); (-4, 0)
D. (0, -1); (4, 0)
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = -2x - 1
A. f(x): D = {x|x > -2}, R is all real numbers; f-1(x): D = {x|x < -2}, R is all real numbers B. f(x): D is all real numbers, R = {y|y > -1}; f-1(x): D is all real numbers, R = {y|y < -1} C. f(x): D is all real numbers, R is all real numbers; f-1(x): D is all real numbers, R is all real numbers D. f(x): D = {x|x > -2}, R = {y|y > -1}; f-1(x): D = {x|x < -2}, R = {y|y < -1}