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
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
Simplify the expression involving rational exponents.165/4
A. 512 B. 256 C. 32 D. 128
Mathematics