Taxes The function T ( x ) = 0.12 ( x − 9525 ) + 952.50 represents the tax bill T of a single person whose adjusted gross income is x dollars for income over $ 9525 but not over $ 38 , 700 , in 2018. Source: Internal Revenue Service What is the domain of this linear function? What is single filer’s tax bill if adjusted gross income is $ 20 , 000 ? Which variable is independent and which is dependent? Graph the linear function over the domain specified in part (a). What is single filer’s adjusted gross income if the tax bill is $ 3109.50 ?
Taxes The function T ( x ) = 0.12 ( x − 9525 ) + 952.50 represents the tax bill T of a single person whose adjusted gross income is x dollars for income over $ 9525 but not over $ 38 , 700 , in 2018. Source: Internal Revenue Service What is the domain of this linear function? What is single filer’s tax bill if adjusted gross income is $ 20 , 000 ? Which variable is independent and which is dependent? Graph the linear function over the domain specified in part (a). What is single filer’s adjusted gross income if the tax bill is $ 3109.50 ?
Solution Summary: The author explains how the linear function T(x)=0.12 (x-9525)+952.50 represents the tax bill of a single person.
Taxes The function
T
(
x
)
=
0.12
(
x
−
9525
)
+
952.50
represents the tax bill
T
of a single person whose adjusted gross income is
x
dollars for income over
$
9525
but not over
$
38
,
700
,
in
2018.
Source: Internal Revenue Service
What is the domain of this linear function?
What is single filer’s tax bill if adjusted gross income is
$
20
,
000
?
Which variable is independent and which is dependent?
Graph the linear function over the domain specified in part (a).
What is single filer’s adjusted gross income if the tax bill is
$
3109.50
?
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)
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