Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. x1/2
B. x1/5
C. x2/5
D. x5/2
Answer: C
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
+ 
- 
B. 
C. ln x + 
ln(x5 + 4) - 
ln(x - 2)
D. 
Mathematics
Solve by the substitution method.-5x + 8y = -462x + 3y = -25
A. {(-2, -6)} B. {(-2, -7)} C. {(-3, -6)} D. ?
Mathematics
Solve the problem.There are 12 people in a club. A committee of 6 persons is to be chosen to represent the club at a conference. In how many ways can the committee be chosen?
A. 665,280 B. 110,880 C. 924 D. 1350
Mathematics
Write an equivalent expression. Use an associative law.(2 + u) + v
A. v + (2 + u) B. (2 + v) + u C. 2 + (u + v) D. (u + 2) + v
Mathematics