Solve the problem.The function T(t) = 43.6 + 5t - 0.3t2, 0 ? t ? 6, gives the temperature T as a function of time t. What is the average temperature for the six hour period?
A. 55°
B. 51°
C. 60°
D. 57.5°
Answer: A
Mathematics
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Graph the function on the indicated interval.y = 2 cos (?x) + 3 sin (?x), 0 ? x ? 2 
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality.
< 19
A. - 
< x < 6
B. x < 3
C. x < - 
, x > 6
D. x < - 
Mathematics
Simplify the expression involving rational exponents.165/4
A. 512 B. 256 C. 32 D. 128
Mathematics
Find the probability of the given event.Two fair dice are rolled. The sum of the numbers on the dice is 5.
A. 
B. 4
C. 
D. 
Mathematics