Consider the function that assigns to each number x the value straight line? Briefly justify your answer.
Do you expect the graph of this function to be a

It’s number 2

Can someone pls ! pls answer all. no explanation needed..

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

We just started the introduction into circles and i have no idea how to do this.