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Calculus and Beyond Homework Help
Area in between graphs, one graph partially below y=0
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[QUOTE="LCKurtz, post: 4948979, member: 198114"] To add to what RUber said, the formula for the area between two graphs between ##a## and ##b## is$$ A = \int_a^b y_{upper}-y_{lower}~dx$$If the curves don't cross, there is no problem. Where the trouble usually comes for students is where they are calculating the area between a function ##f(x)## and the ##x## axis. If ##f(x)## goes negative on the interval the upper and lower curves (##f(x)## and the ##x## axis) change. That's when you have to break the interval up. [/QUOTE]
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Calculus and Beyond Homework Help
Area in between graphs, one graph partially below y=0
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