16. Geography If a ship sailed due south from Iceland to Antarctica, it would sail
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Answer:
4 unit^2
explanation is given at the end.
Step-by-step explanation:
What this integral represents is the net area between the function f(x) = 3 - 2x
and the x-axis, between the range of x between -1 and 3.
we have integrated the equation, and now we're going to put the limits find the area under the function f(x)
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if these seems like a big jump, try to understand it through this:
we've only distributed the limits each time to the same integrated expression.
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coming back to our solution:
so our area is 4
the area above the x-axis is positive, and the area below the x-axis is negative. Since, our answer is +4. <u>We now know that if within this range [-1,3] the area above and below the x-axis exist, there is more area above the x-axis than below the x-axis</u><u>. In other words, the net area is above the x-axis and that is equal to 4 unit^2 </u>