F – 4 ≤ 9 for f. solve for the
2 answers:
Answer:
f>36
Step-by-step explanation:
9
<
f
4
Multiply both sides by
4
.
9
⋅
4
<
f
4
⋅
4
Simplify.
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36
<
f
Rewrite so
f
is on the left side of the inequality.
f
>
36
The result can be shown in multiple forms.
Inequality Form:
f
>
36
Interval Notation:
(
36
,
∞
)
Answer:
f={∞,13)
Step-by-step explanation:
f - 4 ≤ 9
f - 4-9 ≤ 0
f-13 ≤0
f=13
13- 4 ≤ 9
<h3>
9 ≤ 9 √</h3><h3>
</h3>
(f>13) f-4 ≤9
Find a number <u>less than 13</u>
f=12
12-4 ≤9
<h2>8≤9
√ </h2><h3>
</h3>
(f<13) f-4 ≤9
Find a number greater than 13
14
14-4 ≤9
<h2>
10 ≤9 ×</h2>
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