The function 
is used to estimate wave height h, in feet, from wind speed w, in miles per hour.
?
A: Make a graph of h versus w for wind speeds up to 25 miles per hour.B: A small boat can sail safely provided wave heights are no more than 4 feet. Add the horizontal line represented by 
to the graph you made in part A.C: What range of wind speeds will result in safe sailing for small boats? Round your answer to two decimal places, if necessary.
What will be an ideal response?
?
?
?
B:
?
?
C: From 0 to 14.14 miles per hour
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Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 5 miles per hour and Dave bikes at 10 miles per hour. How long will it be until they are 22 miles apart from each other?
A. 
hr
B. 1
hr
C. 4
hr
D. 
hr
Simplify the expression.
? 
A. 
B. 
C. 
D. 
Determine where the graph of f(x) = ln |x?4| is concave upward and where it is concave downward. Also, find all inflection points of the function.
What will be an ideal response?
Multiply.- 2
A. - 
B. - 
C. - 
D. 