In Exercises 59-76, let f ( x ) = 3 ( x ) + 1 and g ( x ) = x 2 − 2 , Find each of the following. Let f = { ( 0. 1 ) , ( 1. 3 ) . ( 2.5 ) } ; g ( x ) = { ( – 1 , 0 ) , ( 1 , 2 ) , ( 2. 3 ) } , Find f ο g .
In Exercises 59-76, let f ( x ) = 3 ( x ) + 1 and g ( x ) = x 2 − 2 , Find each of the following. Let f = { ( 0. 1 ) , ( 1. 3 ) . ( 2.5 ) } ; g ( x ) = { ( – 1 , 0 ) , ( 1 , 2 ) , ( 2. 3 ) } , Find f ο g .
Solution Summary: The author calculates the value of (fcirc g) based on the given set of functions.
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.
Find the exact area inside r=2sin(2\theta ) and outside r=\sqrt(3)
Chapter 1 Solutions
Precalculus: A Unit Circle Approach, Books a la Carte Edition plus MyMathLab with Pearson eText -- Access Card Package (2nd Edition)
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