Solve the problem.The temperature in Fairbanks is approximated by 
where T(x) is the temperature on day x, with x = 1 corresponding to Jan 1 and 
corresponding to Dec 31. Estimate the temperature, to the nearest degree, on day 345.
A. -25°
B. 338°
C. -7°
D. -32°
Answer: C
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Provide an appropriate response.Equating the numerators in the process of partial fraction decomposition, your friend has obtained the algebraic expression 
From this equation, what can you say about the original expression?
A. The original expression has a non-reducible quadratic factor in the denominator. B. The denominator of the original expression is 3x2 + 10x - 48. C. The numerator of the original expression is 3x2 + 10x - 48. D. The original expression has repeated linear factors in the denominator.
Use a table to find the indicated limit. 
A. -1 B. 1 C. 0 D. does not exist
Divide and, if possible, simplify.
÷ 
A. 
B. 
C. 
D. 
Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 