Mathematics, 14.07.2021 20:20 gajdmaciej9502
WILL GIVE BRAINLIEST A boy had 20 cents. He bought x pencils for 3 cents each. If y equals the number of pennies left, write an equation showing the dependence of y on x. What is the domain of the function?
Answers: 1
pencils is equal to the total cost of the pencils subtracted from 20. The total cost of 
, since each pencil is 3 cents.
, is equal to 
:
or all real numbers 
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WILL GIVE BRAINLIEST A boy had 20 cents. He bought x pencils for 3 cents each. If y equals the numbe...
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