Use the informal method to determine the rate of change for the data in each table. the rate of
• change is constant for the data in each table. write the rate as a unit rate.
number of
balloons
total cost
of balloons
(in dollars)
number of
lawns
total earned
(in dollars)
25.50
42.50
59.50
76.50

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:

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11