<span>Atenolol is a beta adrenergic blocker. This medication acts on these receptors, targeting the contractility and workload of the heart. Therefore, it can be an effective treatment for high blood pressure and angina. In addition to proper dosing, it is also important to monitor heart rate before taking the medication. Dosage ranges may vary, depending on the route and frequency ordered by the provider.</span>
The graph shows the solution to be (x, y) = (-1, 3).
Slope is change in y over change in x.
Change in y is -9
Change in x is +12
So -9/12 or -2/3
Answer -2/3
