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Consider the cubic equationax3 + bx2 + cx + d = 0, (1)where a, b, c, and d are real input coefficients. Develop a matlab program to find all roots of equation (1) using the appropriate methods. Your program can not use the matlab built-in functions fzero and roots.You should turn in a .m file cubicxxx.m which contains a matlab function of the form function [rts,info] = cubicxxx(a,b,c,d)where xxx is your student id, rts is the vector of roots and info is your output message. Your program will be stress-tested against cubic equations that may have1. random roots; or2. very large or very small roots; or3. multiple roots or nearly multiple roots; or4. less than 3 roots or more than 3 roots.You will receive credit for a test polynomial only if your program gets the number of rootscorrectly, and only then will each correct root (accurate to within a relative error of at most 10^-16,as compared to the roots function in matlab) receive additional credit.Your program will receive 0 points if the strings fzero or roots (both in lower case letters)show up anywhere in your .m file.
So the question is, in the long run, what fraction of the time will the stock increase in price?
What price should lamps be sold at to maximize profit?
You construct a box with a volume of 146 cubic inches from a piece of metal by cutting 4 inch squares from the corners and folding up the sides. Find the width of the original piece of metal.
What are the Sum of Squares between (SSB) and what is the degress of freedom within (dfW)
Choose three integers a, b, and c. (Negative numbers are welcome.) Now use a, b, and c to create a trinomial ax2+bx+c. Can you factor this trinomial? How would you create a trinomial that will factor?
A car rental agency rents 180 cars per day at a rate of 28 dollars per day. For each 1 dollar increase in the daily rate, 5 fewer cars are rented. At what rate should the cars be rented to produce the maximum income and what is the maximum income?
Planet Z is 6,000 km in diameter. The acceleration due to gravity on Planet Z is 10.0 m/s2.
At 1 P.M., ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h. How fast is the distance between the ships changing at 5 P.M.? (Round your answer to one decimal place.)
Calculate the work done in moving the object from x = 1 ft to x = 12 ft. (round your answer to two decimal places).
The region bounded by the curves x = y^2 +16 and x = -y^2 + 24 is rotated around the y-axis. Find the volume of the resulting solid.
If the silo is 90 ft high and the man makes exactly three complete revolutions, how much work is done by the man against gravity in climbing to the top?
A drug company is measuring levels of oxygenation in patients after receiving a test medication. As the researcher, you are interested in whether Group I, which received the medication, has the same oxygenation levels as Group II
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