a. If a is a positive real number, then the inequality | x | < a is equivalent to ___________ ? < x < ?___________. b. If a is a positive real number, then the inequality | x | > a is equivalent to x < _______________ ? or x ____________ a . c. The solution set to the in quality | x + 2 | < − 6 is __________, whereas the solution set to the inequality | x + 2 | > − 6 is ____________. d. The solution set to the inequality | x + 4 | ≤ 0 (includes/excludes) −-4, whereas the solution set to the inequality | x + 4 | < 0 (includes/excludes) −-4.
a. If a is a positive real number, then the inequality | x | < a is equivalent to ___________ ? < x < ?___________. b. If a is a positive real number, then the inequality | x | > a is equivalent to x < _______________ ? or x ____________ a . c. The solution set to the in quality | x + 2 | < − 6 is __________, whereas the solution set to the inequality | x + 2 | > − 6 is ____________. d. The solution set to the inequality | x + 4 | ≤ 0 (includes/excludes) −-4, whereas the solution set to the inequality | x + 4 | < 0 (includes/excludes) −-4.
Solution Summary: The author illustrates how the inequality of form left|xright|a is equivalent to __
a. If a is a positive real number, then the inequality
|
x
|
<
a
is equivalent to ___________ ?
<
x
<
?___________.
b. If a is a positive real number, then the inequality
|
x
|
>
a
is equivalent to
x
<
_______________ ? or x ____________ a.
c. The solution set to the in quality
|
x
+
2
|
<
−
6
is __________, whereas the solution set to the inequality
|
x
+
2
|
>
−
6
is ____________.
d. The solution set to the inequality
|
x
+
4
|
≤
0
(includes/excludes) −-4, whereas the solution set to the inequality
|
x
+
4
|
<
0
(includes/excludes) −-4.
Solve questions by Course Name (Ordinary Differential Equations II 2)
please Solve questions by Course Name( Ordinary Differential Equations II 2)
InThe Northern Lights are bright flashes of colored light between 50 and 200 miles above Earth.
Suppose a flash occurs 150 miles above Earth. What is the measure of arc BD, the portion of Earth
from which the flash is visible? (Earth’s radius is approximately 4000 miles.)
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