Pls give me the correct answer.

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 if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Which graph of a hyperbola represents the equation 16x^2-y^2=16