The table shown below represents a function. Which of the following values could not be used to complete the table? x
у
-10
-25
-5
5
10
15
20
-20
0-15
0-5

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

With finding limits of multi variable !