# Differential Calculus

posted by
**Jeremy**
.

y = 1 + (x-1)^(1/2)

Considering the interval (2,4), calculate

delta(y) and dy.

would delta(y) be:

delta(y) = f(4) - f(2)

= (1 + squr(3) ) - 2

= squr(3) - 1

and dy is 1/(2 squr(x-1)) dx

Thank you