My souster said I couldn’t make it... we’ll look at me now XD

Which function has the smallest y-intercept value

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2