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Modeling Data A pond is approximately circular, with a diameter of 400 feet. Starting at the center, the depth of the water is measured every 25 feet and recorded in the table (see figure).
x |
0 |
25 |
50 |
Depth |
20 |
19 |
19 |
x |
75 |
100 |
125 |
Depth |
17 |
15 |
14 |
x |
150 |
175 |
200 |
Depth |
10 |
6 |
0 |
(a) Use the regression capabilities of a graphing utility to find a quadratic model for the depths recorded in the table. Use the graphing utility to plot the depths and graph the model.
(b) Use the
(c) Use the result of part (b) to approximate the number of gallons of water in the pond. (Hint: 1 cubic foot of water is approximately 7.48 gallons.)
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Chapter 7 Solutions
Calculus: Early Transcendental Functions
- i need help pleasearrow_forwardQuestion 4 Find an equation of (a) The plane through the point (2, 0, 1) and perpendicular to the line x = y=2t, z=3+4t. 3t, (b) The plane through the point (3, −2, 8) and parallel to the plane z = x+y. (c) The plane that contains the line x = parallel to the plane 5x + 2y + z = 1. 1+t, y2t, z = 43t and is (d) The plane that passes through the point (1,2,3) and contains the line x = 3t, y=1+t, and z = 2 – t. (e) The plane that contains the lines L₁ : x = 1 + t, y = 1 − t, z = = L2 x 2s, y = s, z = 2. 2t andarrow_forwardcan you explain why the correct answer is Aarrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageTrigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning
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