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bc its result equals 4.242640687

C (Perfect square)

Step-by-step explanation:

Square root of 15 it will be 3.8..but doesn't repeat

Square root of 16 is 4 (perfect square)

Square root of 17 is 4.123... doesn't repeat or stop

Square root of 18 is 4.242.. but doesn't repeat or stop.

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A rational number can be expressed as a ratio or a fraction.

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16 can be expressed as a fraction the other numbers keep going meaning never stop.

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:

it would be a on edgenuit y

the diagram below is your final answer