Perform the indicated operation. Assume that all variables are nonnegative.(
+ 
)(
- 
)
A. -11
B. 15
C. 2 - 2
D. 2 - 2
Answer: A
Mathematics
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Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at 
, and 
A. 
B. 0
C. - 
D. 
Mathematics
Graph the function.f(x) = 3x
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.Derek's weight w in second grade g.
A. No B. Yes; g, w; there is one weight for second grade.
Mathematics
Find the indicated matrix.Let A = 
. Find 4A.
A. 
B. 
C. 
D. 
Mathematics