The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Bella saves more per chore than Sweet T

Step-by-step explanation:

Amount of money Bella saved :

where d represents savings

c represents number of chores

11 represents initial value

Sweet T saved :

Number of chores (c)      Savings (d)

         1                                  12

         2                                 14

         3                                 16

         4                                 18

         5                                 20

So, equation of amount saved by sweet T can be formed using two point slope form :

Substituting the values in equation :

y represents the amount she saved

x represents the number of chores .

So, equation of amount saved by sweet T :

option 1:The initial value of Bella is less than initial value of Sweet T

11 is not less than 10

Hence Option 1 is wrong.

Option 2: After both have done 5 chores Sweet T has saved more

Bella's equation :

At c = 5 ,

Sweet T 's equation :

At c = 5 ,

Bella saved more .

Hence Option 2 is wrong.

Option 3: Bella saves more per chore than Sweet T

Bella's equation :

At c = 1 ,

Sweet T 's equation :

At c =1 ,

Bella save more per chore

Hence Option 3 is right

Option 4: Sweet T's saving increase at faster rate than Bella's

Equation of line : y=mx+c

where m is the slope which tells us about the rate .

Bella's equation :

Sweet T 's equation :

At c =1 ,

Bella save more per chore

Comparing both equations with equation of line

Bella's m = 3.5

Sweet T's m = 2

Thus Bella's saving increase at faster rate than Sweet T's.

Hence Option 4 is wrong.

sorry, i don't know i just need points, i'm new here. chao

x=6 and x=3

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