# How do you find the slope of the secant lines of #f(x) = sqrtx# at x=1?

##### 1 Answer

Mar 1, 2018

See below.

#### Explanation:

A secant line to the graph of

# = ((sqrt(1+h)-1))/h * ((sqrt(1+h)+1))/((sqrt(1+h)+1))#

# =( (1+h)-1)/(h(sqrt(1+h)+1))#

# = 1/(sqrt(1+h)+1)#