Determine whether the relation is a function: {(–1, –2), (–2, –3), (–3, –1)}. yes. one input results in one output. no. at least one output results in two inputs. yes. one output results in one input. no. at least one input results in two outputs.

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation: