Looks like a derivative but i'm confused on how to simplify it

The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)1/n+c what does the graph tell you about the value of n in this function

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points