Use the definition of the derivative at a point to find the slope of the tangent line of f(x)=3x^2+2x+1 at x=1

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Which expression gives you the distance between the points (5,1)and(9,-6)

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.