Find the length of the curve.y = 
, 3 ? x ? 6
A. 
B. 9
C. 18
D. 27
Answer: A
Mathematics
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Use the square root property to find all real or imaginary solutions to the equation.x2 = 196
A. {±14} B. {14} C. {98} D. {±15}
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = x2 + 8, x ? 0
B. f-1(x) = (x + 8)2
C. f-1(x) = x2 - 8, x ? 0
D. f-1(x) = 
Mathematics
Simplify the expression.
A. x - 1 B. Cannot be simplified C. -1 D. 1
Mathematics
Solve.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 8 members? Assume that no member can hold more than one office.
A. 1680 B. 32 C. 24 D. 70
Mathematics