Simplify the expression, using only positive exponents in your answer.
A. 
B. 
C. 
D. 9x - 45y2
Answer: B
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = x2 + y - ex+y
A. fxx(x, y) = 2 - ex+y; fyy(x, y) = - ex+y; fyx(x, y) = fxy(x, y) = -ex+y B. fxx(x, y) = 2 + ex+y; fyy(x, y) = ex+y; fyx(x, y) = fxy(x, y) = ex+y C. fxx(x, y) = 2 - y2ex+y; fyy(x, y) = -x2ex+y; fyx(x, y) = fxy(x, y) = - y2ex+y D. fxx(x, y) = 1 - ex+y; fyy(x, y) = - ex+y; fyx(x, y) = fxy(x, y) = -ex+y
Mathematics
Multiply.3i(3 - 5i)
A. 9i - 15i2 B. 9i - 15 C. 15 + 9i D. 9i + 15i2
Mathematics
Find the value of the expression.log216
A. 16 B. 8 C. 4 D. 2
Mathematics
Solve for the missing side, x.
Mathematics