Question

find the point(s) on the graph below in which the tangent line to the point(s) have a positive slope. choose all that apply.

Explanation:

A positive slope for a tangent line means the function is increasing at that point. On a parabola opening downward, the function increases to the left of its vertex (point C) and decreases to the right. Points A and B lie on the increasing (left) side of the vertex, so their tangent lines have positive slopes. Point C is the vertex, where the tangent slope is 0. Points D and E are on the decreasing (right) side, so their tangent slopes are negative.

Answer:

A. A
B. B