The graph above describes the relationship between the forest applied to the spring in order to stretch it a certain length. For me late and equation that correctly relates force and stretch. Is the variable F for force and I for stretch and include units

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward