Concept explainers
Air Fares Using Expedia, a discount travel website, the American Airline prices for a one-way flight from New York City to various cities were recorded. The following table gives the distances from New York City to 14 selected cities, along with the airfare to each of these cities.
City | Distance, x (miles) | Price, y (dollars) |
Chicago | 802 | 191 |
Denver | 1771 | 183 |
Kansas City | 1198 | 193 |
Little Rock | 1238 | 247 |
Los Angeles | 2786 | 316 |
Minneapolis | 1207 | 206 |
Nashville | 892 | 151 |
Philadelphia | 95 | 290 |
Phoenix | 2411 | 223 |
Portland | 2885 | 321 |
Reno | 2705 | 288 |
St. Louis | 948 | 152 |
San Diego | 2762 | 267 |
Seattle | 2815 | 341 |
(a) Plot the data. Do the data points lie in a linear pattern?
(b) Find the
(c) Find the equation for the least squares line, and use it to find the approximate marginal cost per mile to fly.
(d) Identify the outlier in the
Want to see the full answer?
Check out a sample textbook solutionChapter 1 Solutions
Finite Mathematics, Books a la Carte Plus MyLab Math Access Card Package (11th Edition)
- 3. Let sin (22) + cos (T2) f(z) = z(22 + 1)(z+1) Compute f(z)dz over each of the contours/closed curves C1, C2, C3 and C4 shown below. L 10 -C x Don't use any Al tool show ur answer pe n and paper then takearrow_forwardwhat is the slope of the linear equation-5x+2y-10=0arrow_forward1. Evaluate (2,5) (3x+y)dx+(2y-x)dy (0,1) (i) along the straight lines from (0, 1) to (2, 1) and then from (2, 1) to (2,5), and (ii) along the parabola y = x² + 1. Don't use any Al tool show ur answer in pe n and paper then takearrow_forward
- Don't use any Al tool show ur answer in pe n and paper then take 20. Solve the given system of differential equations: x' = x+y, x(0) = 0 y' = 2x, y(0) = 1arrow_forward4. Verify the Cauchy-Goursat theorem for the function f(z) =225z around the closed curve C defined by a half circle || = 1 from the point (1,0) to (-1, 0) in the counterclockwise direction and then the straight line from (-1,0) to (1,0). Don't use any Al tool show ur answer in pe n and paper then takearrow_forward2. Evaluate the following integral using cauchy integral theorem: ||=3 sin (22)+cos (22) (2-1)(2-2) -dz Don't use any Al tool show ur answer in pe n and paper then takearrow_forward
- 18. Solve the given differential equation: y' + y = f(t), y(0) = 5, where f(t) = 0arrow_forward16. Solve the given differential equation: y" + 4y Given, = sin (t)u(t2), y(0) = 1, y'(0) = 0 1 = (x² + 1)(x²+4) 1/3 -1/3 + x²+1 x²+4 Don't use any Al tool show ur answer in pe n and paper then takearrow_forwardHow to solve and explain (7x^2 -10x +11)-(9x^2 -4x + 6)arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,