And show me how to do the number line

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

Which one is true about the hexagons ?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.