Provide an appropriate response.Is the best buy (lowest cost per unit) always the best value? Give an example when this is not true and explain why.
What will be an ideal response?
No. Examples will vary. Reasons why are more quality in the same size, spoilage, size, etc.
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Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that 
, when t is measured in hours. If there are 
of reactant present when t = 0, how many grams will be left after 
? Give your answer to the nearest tenth of a gram.
A. 4.1 g B. 6.1 g C. 0.1 g D. 2 g
Factor the expression completely.24x3 - 20x2 - 24x
A. x(3x - 2)(2x + 3) B. 4x(3x + 2)(2x - 3) C. 4(3x2 + 2)(2x - 3) D. 4x(3x + 2)(2x + 3)
Use the given graph to determine the limit, if it exists.
f(x)
A. 
B. 4
C. 3
D. does not exist
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50