Solve the problem. A student plans to drive 100 miles on an undivided highway and another 150 miles on a divided highway. The speed limit for the undivided highway is 55 mph and the speed limit for the divided highway is 65 mph. Let T(a) represent the driving time (in hours) if the student drives at a mph above the speed limits. Find a formula for T(a).
A. T(a) = 
+ 
B. T(a) = 
+ 
C. T(a) = 
+ 
D. T(a) = 
+ 
Answer: D
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Provide an appropriate response.What values of a and b minimize the value of 
dx?
Fill in the blank(s) with the appropriate word(s).
Divide.6.3 ÷ 0.09
A. 70 B. 0.07 C. 0.7 D. 7
Find the cost of a CD in 12 years, assuming an inflation rate of 4.5%, if its present cost is $12.95. ? Please round the answer to the nearest cent. ? $__________
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Two LORAN stations are positioned 300 miles apart along a straight shore. A ship records a time difference of 0.00118 seconds between the LORAN signals. (The radio signals travel at 186,000 miles per second.) Where will the ship reach shore if it were to follow the hyperbola corresponding to this time difference? If the ship is 50 miles offshore, what is the position of the ship?
A. 110 miles from the master station, (122.5, 50) B. 40 miles from the master station, (122.5, 50) C. 40 miles from the master station, (50, 122.5) D. 110 miles from the master station, (50, 122.5)