Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use the given transformation to evaluate the integral.  FIGURE 1.png)
(x + y) dA, where R is the square with vertices (0, 0), (4, 6), (6, ), (10, 2) and x = 4u + 6v, y = 6u - 4v.
What will be an ideal response?
Mathematics
Find 
. Express the answer in standard form.z1 = 20(cos 240° + i sin 240°)z2 = 4(cos 30° + i sin 30°)
A. - 
+ - 
i
B. - 
- 
i
C. - 
- 
i
D. - 
- 
i
Mathematics
Evaluate f(x) at the given value of x.f(x) = 
x = 
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the power function by hand, using a calculator only to evaluate y-values for your chosen x-values. On the same axes, graph y = x2 using a dotted line for comparison. In each case, x ? 0.f(x) = x2.6
A. 
B. 
C. 
D. 
Mathematics