Sue bought a bunch of snacks that each cost $2.50. Let y represent the total cost and x represent the number of snacks she bought. Pick which equation represents the proportional relationship between the total cost and the number of snacks she bought. A.) 2.50(y) = x
B.)2.50 + y =x
C.) 2.50(x) = y
D.) 2.50 + x = y

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Step-by-step explanation:

C

Step-by-step explanation:

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.

thats one

step-by-step explanation: