simplify each cube root expression. describe the simplified form of the expression as rational or irrational. in your final answer, include all of your work.

3 square root of 81

3 square root of -64

Step-by-step explanation:

a)

This is irrational.

__

b)

This is rational.

_____

Please be aware that 3 square root of 81 is not the same as cube root of 81.

You can call a cube root what it is.

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.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4