Help me fast, plsss! Marlene made a table to relate the number of T-shirts to the total cost. How can you tell from the table that the relationship is not proportional?

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A
The number of T-shirts increases in intervals of one.

B
The rule of multiplying by 8 works for all but 4 T-shirts.

C
The number of T-shirts increases by a different amount than the total cost does.

D
All of the numbers of T-shirts can be multiplied by the same amount to get the cost.

d

Step-by-step explanation: The more t-shirts bought the different amount than the total cost

option 1 is correct.

step-by-step explanation:

y varies inversely with x and constant of variation is 4

the equation will be:

y = k/x

where k =4 so,

y = 4/x

if we put values of x of option 1 in the above equation and find values of y

y = 4/-2 => y =-2

y = 4/-1 => y = -4

y = 4/1 => y = 4

y = 4/2 => y =2

so, all the values of x and y are correct.

if we put values of x given in other options and find value of y we cannot find whole table satisfying the equation.

hence option 1 is correct.

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step-by-step explanation:

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