An illustration of a coordinate plane with four quadrants shows the x and y axes extending from negative 5 to 5 in increments of 1. A downward slanting line is plotted on the coordinate plane. The downward slanting line with arrows on both ends passes through the following closed points: left parenthesis negative 3 comma 2.5 right parenthesis, left parenthesis 0 comma 1 right parenthesis, and left parenthesis 2 comma 0 right parenthesis.

Question

Determine the initial value and the rate of change of the linear function as given in the graph.

The initial value is (answer), and the rate of change is (answer).

only answer the question

Answer 1

The initial value is 1, and the rate of change is -0.5.