cho hàm số f(x)=(x^2)/(1.6*x^2+1).Gọi P là hệ số x^31 trong khai triển maclaurent của f'(x). khi đó bằng bao nhiêu

Yvaries inversely as x. y =12 when x=5. find y when x=4

What’s the answer? and how do i solve it ?

Plz asap what is the range of the cluster in the scatter plot a. between 4 and 8 years of experience b. between $40,000 and $60,000 c. between 6 and 12 years of experience d. between $10,000 and $60,000