Provide an appropriate response.Suppose that a data set has a mean of 100 and a standard deviation of 5. If every item of the data set is multiplied by a positive number k, how will this affect the mean and the standard deviation?
What will be an ideal response?
Both the mean and standard deviation will be multiplied by a factor of k.
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Evaluate 
at the value of 
.
?
?
A. 
B. 
C. 
D. 
E. 
The total worldwide box-office receipts for a long-running movie are approximated by the function 
, where 
is measured in millions of dollars and x is the number of years since the movie's release. How fast are the total receipts changing 1 yr, 3
yr, and 5 yr after its release?
?
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
E. 
, 
, 
Solve.The ratio of a quarterback's completed passes to attempted passes is 3 to 4. If he attempted 
find how many passes he completed. Round to the nearest whole number if necessary.
A. 11 passes B. 2 passes C. 4 passes D. 6 passes
Solve the exponential equation. For irrational solutions, round to four decimal places.25 - 3x = 
A. {3}
B. 
C. {-3}
D. {8}