Calculate the residual of a given situation.

The weekly feed cost for Dean's domestic shorthair cat is $2. The cat used in a study weighs 10 pounds.

Using the equation = 0.3 + 0.12x for the regression line of weekly food cost on weight (weight is explanatory), what is the residual for Dean's domestic shorthair cat?

• a.)
• $0.54
• b.)
• $0.50
• c.)
• $1.46
• d.)
• $1.50