Math233A
Name
Homework
#9
Chapter 2.5:
Solving
Linear Inequalities
1.
Solve
the
inequality,
state the
solution in
2.
Solve
the
inequality,
state the
solution
in
interval
notation, and solution set,
then
graph
interval
notation, and solution set,
then
graph
it: it:
'^-^r
4 3 1
-2<^<2
-x-l>-
and
4--x<l
Solution
set:
Solution
set:
Interval notation: Interval notation:
el
I I I I I I I i
(I I I M I i I I I I)
3.
A car
rental company
charges
$37.50 plus
$0.21
per
mile.
If
you
budgeted $150,
to the
nearest
tenth
of
a
mile,
how many miles
can
you
travel
to
stay
within
the
budget?
Let
=
Inequality:
4.
Ella
wants
to
make
a
B
in her
algebra class.
The grading scale
for a
B
is 85 to
93, inclusive.
Her
first four
test
scores were 93, 100, 88,
and
87.
Determine
the
range
of the
grades
she
must
score
on her
fifth
test
in order
to
make
a
B.
Let
Inequality:
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