Find the domain and range of the inverse of the given function.f(x) = 
A. Domain: all real numbers; range: [2.1, ?)
B. Domain and range: all real numbers
C. Domain: [2.1, ?); range: [0, ?)
D. Domain: all real numbers; range: [0, ?)
Answer: B
Mathematics
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Solve the problem.Find the radius of gyration about the x-axis of a lamina in the first quadrant bounded by the coordinate axes and the curve 
if 
.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.Some number divided by 15
A. 15 + x
B. 15 - x
C. 15x
D. 
Mathematics
Solve.2x3 - 7x2 ? 15x
A. [0, 5]
B. 
? [0, 5]
C. 
D. 
? [5, ?)
Mathematics
Find f(x) and g(x) so that the function can be described as y = f(g(x)).y = ?10x + 6?
A. f(x) = ?-x?, g(x) = 10x - 6 B. f(x) = x, g(x) = 10x + 6 C. f(x) = ?x?, g(x) = 10x + 6 D. f(x) = -?x?, g(x) = 10x + 6
Mathematics