Advanced Algebra 1 with probability! Can somebody help me understand this math? I'm struggling.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3