Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 3 minutes, what will it read after being in the room for 9 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 28.65°F
B. 89.91°F
C. 63.56°F
D. 50.09°F
Answer: D
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Solve the problem.The cross section of a large telescope having a diameter of 280 feet and a maximum depth of 30 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. Not enough information
C. y = 
x2
D. y = 
x2
Find the arc length. Leave your answer in terms of pi.An arc with central angle 354° and radius 7 cm
A. 0.04? cm B. 13.77? cm C. 1.97? cm D. 27.53? cm
Solve the system.
- 
= 
+ 
= 
A. {(-8, -7)}
B. 
C. {(7, -8)}
D. {(7, 8)}
Determine whether the graph of f opens upward or downward and whether the graph is wider, narrower, or the same as the graph of 
Find the axis of symmetry and the vertex. Find the y-intercept and any x-intercepts. Sketch a graph of f.f(x) = 3x - x2
What will be an ideal response?