Solve the following equation for x.x - 2
= 4
A. 7
B. 2
C. 4
D. - 2
Answer: A
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = xy2 + yex2 + 5
A. 
= yex2(1 + 2x2); 
= x; 
= 
= y + xex2
B. 
= 2yex2; 
= 2x; 
= 
= 2y + 2xex2
C. 
= 2yex2(1 + 2x2); 
= 2x; 
= 
= 2y + 2xex2
D. 
= 2yex2; 
= 2x; 
= 
= 2xex2
Mathematics
Evaluate the integral.
A. e7/6
B. ln 
C. 
ln 
D. 
ln 
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = x2 - 9, g(x) = 4x + 8Find (f + g)(4).
A. 15 B. 19 C. 31 D. 79
Mathematics
Estimate the quotient by first approximating the dividend and divisor with numbers that can be divided more easily. 
A. 16 B. 4 C. 56 D. 15
Mathematics