calculus
posted by Anonymous .
Find the area of the region under the graph of the function f on the interval [1, 2].
f(x) = 6x + 1

Your question is not clear at all.
When you say "under" the graph of
f(x) = 6x+1, the region would be infinitely large.
You will need to close it.
Is it bounded by the xaxis?
If so according to your interval part would be below the xaxis and part would be above it.
Make a graph to see what I mean, then clarify your question.
BTW, why would you need Calculus to find the area of a region bounded by straight lines?
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