4. A plane flew 2,190 kilometers from Chicago to Flagstaff. Another plane flew 2,910
kilometers from Chicago to Oakland. How
much farther did the plane that flew to
Oakland fly than the plane that flew to
Flagstaff?

3; 9 is 8 to -4

step-by-step explanation:

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

idk

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