Answer:
9
Step-by-step explanation:
x didn't change in value, y changed by 9
the distance between the two points is 9
The final price for the racket is $38.96
Answer:
is your average rate of change,
Step-by-step explanation:
average rate of change is
, by slope formula
simplify this to get
, which is the definition of the derivative as h goes to 0

since you defined x=a, we can substitute a for x and vice versa to find our derivative.

simplifying
(your average rate of change)
2.4 ÷ 8= 0.3
The decimal stays the same.
Hoped this helped.
~Bob Ross®
One solution. Given that there is only one variable and it is linear, we know it must only have one solution. <span />