On a coordinate plane, a parabola opens down. It goes through (negative 1.9, negative 4), has a vertex of (0.5, 3.2), and goes through (3, negative 4). Consider the graph of the quadratic function. Which interval on the x-axis has a negative rate of change? –2 to –1 –1.5 to 0 0 to 1 1 to 2.5