Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(x2y5)7/4
A. x15/4y27/4
B. x35/4y7/2
C. x7/2y35/4
D. x8/7y20/7
Answer: C
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, -1) for -5xy2 - 7x2y + 4x = 0.
A. 
B. 3
C. - 
D. - 
Mathematics
Write the numeral as a Babylonian numeral.122
A. 
B.
  ? |   |
C.
  ? |    |
D.
  ? |   |
Mathematics
Find the derivative.s = t3 tan t - 
A. 
= - t3 sec2 t + 3t2 tan t + 
B. 
= t3 sec t tan t + 3t2 tan t - 
C. 
= t3 sec2 t + 3t2 tan t - 
D. 
= 3t2 sec2 t - 
Mathematics
Write in exponential notation.7 ? 7
A. 2 ? 7 B. 72 C. 27 D. 73
Mathematics