PLs help me do any of these 3 questions I have forgotten how to do them and if possible pls show how to got the answer thank you

Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15