Solve for x and y: x + 2y = 4; 2x - y = 4
a.
b.
c.
d.
e.
d.
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 10) sin x
A. sin x ln (x + 10)
B. cos x ln (x + 10) + 
C. 
(x + 10) sin x
D. (x + 10) sin x
Mathematics
Evaluate the integral.
A. 
+ C
B. 4x ln 4 + C
C. 
+ C
D. 
+ C
Mathematics
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = 3-xy = - 
A. x = -1.00, y = 3.00 B. x = 1.00, y = -3.00 C. No solution D. x = 1.00, y = 3.00
Mathematics
Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.0.74
A. 
B. 
C. 
D. 
Mathematics