Provide an appropriate response.Is f continuous on (-2, 4]?  

A. No
B. Yes


Answer: A

Mathematics

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Assume that the demand function for a certain commodity has the form ? ? where x is the quantity demanded, measured in units of a thousand, and p is the unit price in dollars. Suppose the quantity demanded is 7,000 (x = 7) when the unit price is $9.00 and 9,000 (x = 9) when the unit price is $7.00. Determine the demand equation.

What will be an ideal response?

Mathematics

Solve.The floor plan of a building is a rectangle which measures 228 meters by 57 meters. Find the floor area of the building.

A. 12,996 sq m B. 12,986 sq m C. 13,006 sq m D. 570 sq m

Mathematics

Write a system of equations associated with the augmented matrix. Do not try to solve. = 

A. 2x + y = -3   x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3   x - 5y = 2 C. 2x = -3   x + y = 2 -5x - 5y = 2

Mathematics

Solve.The difference of a number and 6 is the same as 38 less the number. Find the number.

A. -16 B. 16 C. 22 D. -22

Mathematics