Step-by-step explanation:
Rate of change = Slope
for Q11)
we take 2 points to find the slope P1 (0,-3)
P2 (1,1)
[tex]slope = \frac{(y2 - y1)}{(x2 - x1)} [/tex]
= (1 - (-3))/(1-0)
= 4
Q12
P1 (0,1)
p2 (1 , -2)
-3/1 = -3
Q13
p1 ,(25 ,65)
p2 (26, 68)
slope = 3
