Answer the question.For x ? 4, the rational expression 
is equal to 9. Can the same be said for 
? Explain why or why not.
What will be an ideal response?
No. Explanations will vary.
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Solve the problem.A company knows that unit cost C and unit revenue R from the production and sale of x units are related by 
Find the rate of change of revenue per unit when the cost per unit is changing by 
and the revenue is 
A. $50 B. $266.8 C. $1350 D. $808.4
Indicate whether the graph represents a one-to-one function.
A. Yes B. No
Decide whether the Mean Value Theorem applies to the given function on the given interval.g(x) = x3/4;
[0, 3]
A. Yes B. No
A random sample of adult female reaction times has a sample mean of x¯=394.3 milliseconds and sample standard deviation of s=84.6 milliseconds. Use the Empirical Rule to determine the approximate percentage of adult female reaction times that lie between 140.5 and 648.1 milliseconds.