Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary.5x - 2y - 10 = 010x + y - 25 = 0
A. 
B. 
C. 
D. ?
Answer: A
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
+ 
- 
D. ln x + 
ln(x5 + 1) - 
ln(x + 1)
Mathematics
Simplify using the rules for exponents. Use only positive exponents in your answer.
A. 
B. 
C. 
D. 
Mathematics
Tariffs placed by a foreign country on the import of U.S. goods are often the motivation for joint ventures between U.S. firms and firms in that country.
Answer the following statement true (T) or false (F)
Mathematics
Find the x- and y-intercepts of f.f(x) = (x + 3)(x - 4)(x + 4)
A. x-intercepts: -4, 4, 3; y-intercept: -48 B. x-intercepts: -3, -4, 4; y-intercept: 48 C. x-intercepts: -3, -4, 4; y-intercept: -48 D. x-intercepts: -4, 4, 3; y-intercept: 48
Mathematics