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Write a function rule for the table

Write a function rule for the table-example-1

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the answer to the question is c = 16d + 18
User Ryzal Yusoff
by
7.8k points
2 votes

Answer:


c=16d +18

Explanation:

Let d is the number of days and c is the cost to rent

Lets find the difference in the cost of rent

50-34=16

66-50=16

82-66=16

Difference is a constant. so we use linear equation y=mx+b

m is the constant rate, x is our d and y is our 'c' cost

The equation becomes


c=16d +b

To find out 'b' we use first row in the table

Plug in 1 for d and 34 for c


34=16(1) +b


34=16+b, subtract 16 from both sides


b=18

Function rule is


c=16d +18

User Sovanrothaa
by
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