EASY multiple choice question for y’all mathy people! Easy points. Question in photo.

4+6x-3x^3 in standard form with explanations because i don’t understand

Which rational number could be graphed between -4 and -5

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.