Answer:
Angle PAB is a right angle.
Step-by-step explanation:
Angle PAB is a right angle. In circles, tangent lines are always perpendicular to radii.
Answer:

Step-by-step explanation:
The given function is
.
We want to find the average rate of change of this function from
to
.
This is given by:

This implies that;






Step-by-step explanation:
(x1,y1) = (-1,-1)
(x2,y2) = (2,-2)
m = (y2 - y1)/(x2 - x1)
m = (-2 + 1)/(2 + 1)
m = -1/3
Option → C
D 39.25 which isn't far from 40