Solve the problem.Suppose a cold front is passing through the United States at noon with a shape described by the function  where each unit represents 100 miles.  Missouri is located at  and the positive y-axis points north.N  

/>   SSuppose the front moves south 340 miles and west 120 miles and maintains its shape. Give the equation for the new front and plot the new position of the front.



A. y = (x + 1.2)² - 3.4

N

     

S

B. y = - (x + 1.2)² - 3.4

N

     

S

C. y = (x - 1.2)² - 3.4

N

     

S

D. y = (x - 1.2)² + 3.4

N

     

S

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Answer: A

Mathematics

Translate to a proportion and solve. Round to the nearest hundredth, if necessary.54 is 10% of what number?

A. 5.4 B. 54 C. 5400 D. 540

Translate the problem to a system of equations and then solve.The difference between two numbers is 104. Five times the smaller number equals the larger number. Find the numbers.

A. 127, 23 B. 24, 120 C. 24, 132 D. 26, 130

Solve the problem.The area A of a rectangle is   If the width W of the rectangle is  find the length L of the rectangle when  feet.

A. 22 ft B. 18 ft C. 28 ft D. 19 ft

Find the supply function  that satisfies  and the initial condition  when

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