Find the domain and range of the inverse of the given function.f(x) = x3 - 3
A. Domain: all real numbers; range: [-3, ?)
B. Domain: [-3, ?); range: all real numbers
C. Domain and range: all real numbers
D. Domain: [0, ?); range: [0, ?)
Answer: C
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Find an equation of variation if the following conditions exist.Suppose y varies directly as x and y = 0.2 when x = 0.8.
A. y = -0.6x
B. y = 
x
C. y = 1x
D. y = 4x
Find the center and radius of the circle with the given equation. x2 - 12x + 36 + y2 - 8y + 16 = 4
A. Center (-6, -4), r = 4 B. Center (-4, -6), r = 4 C. Center (4, 6), r = 2 D. Center (6, 4), r = 2
For the experiment described, write the indicated event in set notation.A die is tossed twice with the tosses recorded as an ordered pair. Represent the following event as a subset of the sample space: The sum of the tosses is either three or four.
A. {(1, 2), (2, 2)} B. {(1, 2), (2, 1), (1, 3), (3, 1), (2, 2)} C. {(2, 1), (3, 1), (2, 2)} D. {(1, 2), (1, 3), (2, 2)}
Solve the equation.x2 = 2x
A. {0, - 2} B. {0, 2} C. {2} D. {- 2}