After pulling the plug from a tub, the amount of water in the tub changed at a c

Question

After pulling the plug from a tub, the amount of water in the tub changed at a constant rate of-1.7 gallons per minute. a. The formula y = mx + b gives the number of gallons of water in the tub in terms of the number of minutes elapsed since the plug was pulled. Match each expression below with the appropriate quantity from the list. (x and y are variables typically assigned to represent the independent and dependent quantities, respectively. a. The number of minutes it takes for the tub to drain completely b. The number of gallons of water in the tub c. The number of minutes elapsed since the plug was pulled d. The number of gallons of water in the tub when the plug is pulled e. The number of minutes it takes for one gallon of water to drain from the tub f. The number of gallons of water that have drained from the tub g. The change in the number of gallons of water in the tub each minute b. Consider the quantities represented by y, m, x and b. Which of these quantities are constant and which are varying? Use commas to separate the letters in a list) Constant: m, b Varying: y, x

Explanation / Answer

Here y= mx + b...... Y is the amount of water that is drained and x represents the time.... Whereas m is the slope and slope indicates per unit change.  

X= no. Of minutes elapsed = c

Y= gallons of water drained = f

M= change in no. Of gallons in a minute = g

B= no. Of gallons of water in the tub when plug is pulled = d

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