1. determine the interval(s) where the function f(x)= -1 / 2x+10 is

Question

a) positive
b) Increasing

2. Consider the function f(x) = 3 / 4x-5
a) Determine the key features of the function:

i) Domain and range
ii)Intercepts
iii) Equations of any asymptotes
iv) Intervals where the functions are increasing and intervals where the function is decreasing

b) Sketch a graph of the function

Answer 1

so, which parts give you trouble?
what do you have so far?

Answer 2

I don't understand both questions