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
src="https://sciemce.com/media/4/ppg__10616191804__f1q36g6.jpg" alt="" style="vertical-align: -4.0px;" /> 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
Answer: D
Mathematics
src="https://sciemce.com/media/4/ppg__10616191804__f1q36g6.jpg" alt="" style="vertical-align: -4.0px;" /> 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 |
Answer: D
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Solve. The FDA approves a new drug and has confirmed by independent research that the strength of the reaction to the drug is given by the expression 
where d is the dosage of the drug and ? is a constant. Factor this expression.
A. d2
B. 
(? - d)
C. d2
D. 
Solve the problem.The farther someone is from a light source, the less intense its light. The equation I = 
approximates the light intensity from light source Y and I = 
approximates the light intensity from light source Z, where d is measured in meters and I is measured in watts per square meter. Find an expression for the sum of the intensities of light from sources Y and Z.
A. 
B. 
C. 
D. 
Perform the indicated operation.4 - 14
A. -18 B. 18 C. 10 D. -10
If 
find the domain of 
What will be an ideal response?