Find the second-order partial derivative.Find fxx when f(x, y) = ln
.
A. 
B. - 
C. - 
D. - 
Answer: B
Mathematics
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Solve the problem.Find a curve through the point 
whose length integral, 1 ? x ? 2, is 
A. y = 
x3
B. y = 
x4
C. y = 3x4
D. y = 3x3
Mathematics
Determine the amplitude, range, and period of the function and sketch its graph.y = sin (x + ?)
A. amplitude: 1; range: [2, 4]; period: 2?
B. amplitude: 1; range: [-1, 1]; period: 2
C. amplitude: 1; range: [-1, 1]; period: 2?
D. amplitude: 1; range: [-1, 1]; period: 2?
Mathematics
Multiply.
? 
A. - 
B. 
C. - 
D. 
Mathematics
Graph the rational function and find the intercepts.f(x) = 
A. No x-intercept. y-intercept: - 
B. x-intercept = 0. y-intercept: - 
C. No x-intercept. y-intercept: 
D. No x-intercept. y-intercept: 
Mathematics