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The following graph shows the depths of a submarine at certain times after it leaves port. a. For how long does the sub travel at sea level?b. What is the depth of the sub 5 hours after leaving port?(GRAPH CANNOT COPY)
a. $2 \mathrm{hr}$b. $-1,000 \mathrm{ft}$
Algebra
Chapter 3
Graphing Linear Equations and Inequalities in Two Variables; Functions
Section 1
Graphing Using the Rectangular Coordinate System
Graphs and Statistics
Equations and Inequalities
Linear Functions
Systems of Equations and Inequalities
Oregon State University
McMaster University
University of Michigan - Ann Arbor
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So we're again using a graft to analyzing data. And while I'm not able to draw the actual graph of your book, I am. I have sketched a little loose sketch here to be able to kind of point. Something's out. You'll want to refer to the actual diagram in your textbook. It's a lot more detailed, but I will remind you that the horizontal axis is your tea access. It's talking about hours after leaving the port, and your vertical axis is the depth of the actual submarine are devalue or depth value, so that will tell you how far underwater it is. So for this question, were first asked how long it's at sea levels. So remember that right here with a a depth of zero. That's sea level, and it seems to be at sea level going to here, and then it never is there again it because then it goes below sea level. That's when it submerges. So that is for two hours that it's at sea level. Then we want to know how low is it? How deep is it in the water? Five hours after leaving port. So you're gonna wanna go over to your fifth mark, okay? Or the five hour mark. 12345 That's right here. And you want to see how low it is, which is right here. Okay, So look at your y axis. That value is negative. 1000 feet.
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