Multiply.(x - 3)(7x2 + x + 8)
A. 7x3 - 20x2 + 11x - 24
B. 7x3 - 22x2 + 5x - 24
C. 7x3 + 20x2 + 5x - 24
D. 7x3 - 20x2 + 5x - 24
Answer: D
Mathematics
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 10
C. 
D. 
Mathematics
Graph the linear equation.-8? f(x) = 2
A. 
B. 
C. 
D. 
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Find the domain of the function.f(x) = 
A. 
, or 
B. 
, or 
? 
C. 
, or
D. all real numbers, or (-?,?)
Mathematics
Solve the problem.Suppose that the temperature T, in degrees Fahrenheit, of a person during an illness is given by the function T(t) = 
+ 98.6, where t is the time, in hours. Find the interval on which the temperature is over 100°.
A. (0.306, 3.265) B. (0, 1) C. ? D. (0.564, 6.008)
Mathematics