Solve the problem.Newton's Law of Cooling states that the rate of change of temperature of an object is proportional to the difference in temperature between the object and the surrounding medium. Thus, if T is the temperature of the object after t hours and T0 is the (constant) temperature of the surrounding medium, then
where k is a constant. A dish of lasagna baked at 400°F is taken out of the oven into a kitchen that is 74°F. After 8 minutes, the temperature of the lasagna is 320.4°F. What will its temperature be 11 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 305°F
B. 296°F
C. 280°F
D. 289°F
Answer: B
Mathematics
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Find the limit, if it exists.
A. 
B. 19x
C. Does not exist
D. 
Mathematics
Simplify.(6
+ 2
)(4
+ 7
)
A. 24
+ 14
B. 196 + 50
C. 140 + 50
D. 24
+ 14
+ 50
Mathematics
If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = -19x4 + 6x3 - 5x2 + 9
A. Degree: 4; leading coefficient: -19 B. Degree: -19; leading coefficient: -5 C. Degree: 3; leading coefficient: -19 D. Not a polynomial function.
Mathematics
Find the sum.-458 + 324
A. 782 B. -782 C. 134 D. -134
Mathematics