Graph.
- 
= 1
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 7
+ 3
A. 10
B. 10
C. 10
D. 21
Mathematics
Find the average value of the function f over the given region.f(x, y) = 4x + 7y; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}
A. 9
B. 
C. 11
D. 
Mathematics
Simplify.(-13.8)
+ 
A. -12 B. -10 C. -13 D. -11
Mathematics
Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.-
A. -2 B. -32 C. 2 D. not a real number
Mathematics