What does the law of demand state? a. when the price is higher, the quantity demanded is higher. b. when the price is higher, the quantity supplied is lower. c. when the price is lower, the quantity demanded is higher.

C. When the price is lower, the quantity demanded is higher

Step-by-step explanation:

The law of demand states that all other things remaining constant the quantity demanded of a product is inversely proportional to price of the product. This means, if the prices are higher then the quantity demanded is lower and if the prices are lower than the quantity demanded is higher.

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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: