a. a) Use REGRESSION to find a quartic function y = a x 4 + b x 3 + c x 2 + d x + e that fits the data. b. b) Graph the function over the interval [ 0 , 500 ] c. c) Does the function closely model the given data? d. d) Predict the horizontal distance from home plate at which the ball would have hit the ground had it not hit the billboard. e. e) Find the rate of change of the ball’s height with respect to its horizontal distance from home plate. f. f) Find the point(s) at which the graph has a horizontal tangent line. Explain the significance of the point(s).
a. a) Use REGRESSION to find a quartic function y = a x 4 + b x 3 + c x 2 + d x + e that fits the data. b. b) Graph the function over the interval [ 0 , 500 ] c. c) Does the function closely model the given data? d. d) Predict the horizontal distance from home plate at which the ball would have hit the ground had it not hit the billboard. e. e) Find the rate of change of the ball’s height with respect to its horizontal distance from home plate. f. f) Find the point(s) at which the graph has a horizontal tangent line. Explain the significance of the point(s).
Solution Summary: The author calculates the value of undersetx to 6mathrmlimf(x) if the limit exists.
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
2. Find a matrix A with the following qualities
a. A is 3 x 3.
b. The matrix A is not lower triangular and is not upper triangular.
c. At least one value in each row is not a 1, 2,-1, -2, or 0
d. A is invertible.
Chapter 1 Solutions
Calculus and Its Applications, Books a la Carte Plus MyLab Math Access Card Package (11th Edition)
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Area Between The Curve Problem No 1 - Applications Of Definite Integration - Diploma Maths II; Author: Ekeeda;https://www.youtube.com/watch?v=q3ZU0GnGaxA;License: Standard YouTube License, CC-BY