A tank with some water in it begins to drain. The function v(t)=42−3.5tv determines the volume of the water in the tank (in gallons) given a number of minutes tt since the water began draining. What is the vertical intercept of vv?     What does your answer to part (a) represent? Select all that apply. The weight of the tank when it is empty. How many minutes it takes for all of the water to drain from the tank. The number of gallons of water in the tank when it starts draining. List all horizontal intercepts (or "roots") of vv.     What does your answer to part (c) represent? Select all that apply. How many minutes it takes for all of the water to drain from the tank. The weight of the tank when it is empty. The number of gallons of water in the tank when it starts draining.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 20PFA
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A tank with some water in it begins to drain. The function v(t)=42−3.5tv determines the volume of the water in the tank (in gallons) given a number of minutes tt since the water began draining.

  1. What is the vertical intercept of vv?

       

  2. What does your answer to part (a) represent? Select all that apply.

    • The weight of the tank when it is empty.
    • How many minutes it takes for all of the water to drain from the tank.
    • The number of gallons of water in the tank when it starts draining.
  3. List all horizontal intercepts (or "roots") of vv.

       

  4. What does your answer to part (c) represent? Select all that apply.

    • How many minutes it takes for all of the water to drain from the tank.
    • The weight of the tank when it is empty.
    • The number of gallons of water in the tank when it starts draining.
 
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