Below is the graph of a quadratic function, showing where the function is increasing and decreasing. If we draw in the tangents to the curve, you will notice that if the gradient of the tangent is ...

Look for the leftmost and rightmost points of the graph. If the graph extends indefinitely to the left or right, the domain includes negative or positive infinity, respectively. Note any breaks or ...

1. If marginal product is decreasing, then average product must also be decreasing. 2. For a fixed-proportion technology, inputs cannot be substituted for each other in production. 3. The marginal ...