What is the graph of the inequality in the coordinate plane? y < –2

Given the inequality:

To, graph this we draw a horizontal line at y = -2.

The line will be dotted because the operator which used here  did not contains an " equal to" clause.

Now, we will shade below the line because the inequality operator is "less than "clause.

As you can see the graph below in the attachment for the given inequality y < -2

mental cunning

explanation:

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since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation: