Compute the derivative of the function using the difference quotient and find the equation of the line that is tangent to its curve for x=c
1. f(x) = x^2-3x+2; c=1
2. y = (x+7)/(5-2x); c=1
Find the first and second derivative for for the next 3 problems
1. y=6x^5-4x^3-5x^2-1