Solve the problem.The number of hours of sunlight in a day can be modeled by a sinusoidal function. In the northern hemisphere, the longest day of the year occurs at the summer solstice and the shortest day occurs at the winter solstice. In 2000, these dates were June 22 (the 172nd day of the year) and December 21 (the 356th day of the year), respectively. A town experiences 11.23 hours of sunlight at the summer solstice and 8.03 hours of sunlight at the winter solstice. Find a sinusoidal function 
that fits the data, where x is the day of the year. (Note: There are 366 days in the year 2000.)
A. y = 1.6 sin 
+ 9.63
B. y = 11.23 sin 
+ 8.03
C. y = 11.23 sin 
+ 9.63
D. y = 1.6 sin 
+ 9.63
Answer: D
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Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
A. 
; relative maximum value: 
B. 
; relative minimum value: 
C. 
; saddle point: 
D. there are no critical points
Convert the measurement as indicated.23 yd to feet
A. 276 ft B. 207 ft C. 828 ft D. 69 ft
Use the figure below. Determine whether the given statement is true or false. 
A + B + C + D + E = 0
A. True B. False
Answer the question.Without multiplying by the least common denominator and solving, explain why the rational equation 
has no solution. (Hint: Examine both numerators and denominators carefully.)
What will be an ideal response?