11. Sketch the circles x2 + y2 = 9 and x2 + y2 - 18x + 72 = 0. Find the equation of the
circle whose centre is on the x-axis and which
touches both of these circles:
(i) Externally
(ii) Internally

eevfrtvbvav bwdvfvdvdb

Step-by-step explanation:

sv f g f wb

3201

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: