Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Estimate the answer by rounding as indicated.Estimate by rounding to the nearest ten.
A. 67 B. 60 C. 100 D. 70
Mathematics
Solve the problem. Write all linear equations in slope-intercept form.Suppose that a sales person observes that if an item is priced at $10 per item then 4 items are sold. If 2 items are sold for $12 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line.
A. y = -x + 14 B. y = -x - 6 C. y = x - 6 D. y = x + 14
Mathematics
Solve for rate in the problem. Round to the nearest tenth of a percent. % of 6 gross is 0.03 gross.
A. 50.0 B. 200.0 C. 5.0 D. 0.5
Mathematics
Graph the inequality.x ? 2 
A. 
B. 
C. 
D. 
Mathematics