Question

Estimate graphically the local maximum and local minimum of f(x) = 4x2 + 3x + 2

Answer 1

Hope this helps you. If you need any help regarding how to sketch graph, ping me

Answer 2

Seeing the graph from desmos.com, we know there is only one place where the graph will go up then down, or down then up given that the maximum exponent of x is it squared. That place, as seen, is -0.375 for the minimum as it goes down then up. There's no maximum in sight :(