Find the domain and range of the inverse of the given function.f(x) = 5 - x2 ; x ? 0
A. Domain and range: all real numbers
B. Domain: (-?, 5]; range: range: [0, ?)
C. Domain: all real numbers; range: (-?, 5]
D. Domain: all real numbers; range: [-5, ?)
Answer: B
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Find the volume of the described solid.The base of the solid is the disk x2 + y2 ? 16. The cross sections by planes perpendicular to the 
between 
and 
are isosceles right triangles with one leg in the disk.
A. 
B. 
C. 
D. 
Solve the problem.From a point on a straight road, two cars are driven in opposite directions, one at 71 miles per hour and the other at 54 miles per hour. In how many hours will they be 375 miles apart?
A. 3 hours B. Not enough information C. 2 hours D. 4 hours
Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 - 12x - 4y + 64 = 0
A. vertex: (6, 7)
focus: (6, 6)
directrix: y = 8
B. vertex: (6, 7)
focus: (7, 7)
directrix: x = 5
C. vertex: (6, 7)
focus: (6, 8)
directrix: y = 6
D. vertex: (6, 7)
focus: (5, 7)
directrix: x = 7
Give the domain and range of the relation.{(-2, 6), (-1, 3), (0, 2), (1, 3), (3, 11)}
A. domain: {6, 3, 2, 11}; range: {-2, -1, 1, 3} B. domain: {-2, -1, 1, 3}; range: {6, 3, 2, 11} C. domain: {-2, -1, 0, 1, 3}; range: {6, 3, 2, 11} D. domain: {6, 3, 2, 11}; range: {-2, -1, 0, 1, 3}