Can someone me with my algebra 1 homework? ? ‍♀️if so inbox me so i could send you

Itook a better photo of the question so y’all can see it i hope it’s a fine photo

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.