Solve the problem.A square plywood platform has a perimeter which is 10 times the length of a side, decreased by 12. Find the length of a side.
A. 8
B. 2
C. 1
D. 6
Answer: B
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Find an equation of the tangent line to the graph of the function at the point 
.
?
?
A. 
B. 
C. 
D. 
E. 
Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group, and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Provide an appropriate response.The amount of time, t, it takes to travel a distance, d, at a speed, r, is given by the following: t = 
. If you have to travel 500 miles and you want to know how long it will take, what values of r are meaningless?
What will be an ideal response?
Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 
C. 
D. 