Determine whether the relation defines y as a function of x. Give the domain.7x + 7y > -6
A. Not a function; domain: (-?, ?)
B. Function; domain: 
C. Function; domain: (-?, ?)
D. Not a function; domain: 
Answer: A
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Simplify the complex rational expression using Method 2.
A. 
B. 
C. 
D. 
For the transition matrix, find the probability that state 2 changes to state 4 after 5 repetitions of the experiment.
A. 0.11078 B. 0.23198 C. 0.00032 D. none of these
Provide an appropriate response.Is it true that in order to multiply a number by a negative power of ten, you must move the decimal point to the left as many places as indicated by the absolute value of the exponent on the ten?
A. True B. False
?Buses arrive and depart from a college every 20 minutes. The probability density function for the waiting time t (in minutes) for a person arriving at the bus stop is 
on the interval 
. Find the probability that the person will wait no longer than 5 minutes.
?
A. ?
B. ?
C. ?
D. ?
E. ?