The revenue R (in dollars) generated by the sale of x units of a patio furniture set is given by 
. Select the correct graph of the function.
?
A. ?
B. ?
C. ?
.
D. ?
E. ?
Answer: D
Mathematics
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Solve the system of equations.
A. (-3, 1, 4) B. (4, 1, -3) C. (-3, 4, 1) D. No solution
Mathematics
Perform the conversion. Round to the nearest hundredth when necessary.24 km to mi
A. 38.64 mi B. 22.7 mi C. 25.44 mi D. 14.9 mi
Mathematics
Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 19.6 when x = 7;
Find y given x = 10.
A. k = 137.2; y = 
B. k = 2.8; y = 28
C. k = 2.8; y = 30
D. k = 3; y = 28
Mathematics
Insert <, >, or = to make the statement true.45 
-45
A. < B. = C. >
Mathematics