What is the rate of change of y = 1/2x

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Is this a polynomial function? i need to know asap