Find all the numbers for which the rational expression is defined.
A. x ? y
B. x ? -y
C. All real numbers.
D. x ? 0, y ? 0
Answer: D
Mathematics
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Find the derivative of y with respect to x.y = 2 sin-1 (4x3)
A. 
B. 
C. 
D. 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Mathematics
Find the domain and range of the inverse of the given function.f(x) = x6 + 2, x ? 0
A. Domain: (-?, 0]; range: (-?, 2] B. Domain and range: all real numbers C. Domain: [2, ?); range: [0, ?) D. Domain: [0, ?); range: [2, ?)
Mathematics
Solve for x and graph the solution.11x + 2 ? 10x - 3
A. x < 11 
B. x ? -5
C. x > 11 
D. x ? -5 
Mathematics