Find the indicated real nth root(s) of a. n=4, a=81 the roots are and .

3, -3

Step-by-step explanation:

"Find the indicated real nth root(s) of a. n=4, a=81" becomes . The nth root is even so its root will be negative or positive. This is true since 81 is a positive number and a negative times a negative is positive. The root of this is a number when multiplied by itself 4 times will give 81. 81 is odd and is a multiple of 3 and 9 so it is likely 3.

For example, 3*3*3*3 = 81

-3*-3*-3*-3 = 81

Therefore the number is 3 and -3.

43

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: