1. does the function have a minimum or maximum value? 2.what is the function's min/max value? 3. where does the minimum or maximum value occur? x=

the tale-tell fellow is the coefficient of the squared variable, namely -2 of x². Since the coefficient is negative, the parabola opens downwards, like the one in the picture below, so it goes up up up, reaches a maximum, then goes back down down down.