Worth 25 points. Easy math

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1