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The 2nd Fundamental Theorem of Calculus.
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What lies beneath the accumulation function?
Accumulation
If the integrand ƒ is a continuous function, then the corresponding
accumulation function, , has the same domain as ƒ. When
A(x) makes sense even if x is to the left of a, we can use the sign convention:
The Sign Convention
Sketch the graph ƒ(t) = t and complete the table of values for the function A(x).
x 0 1 2 3 4
x 0 -1 -2 -3 -4
On the graphing calculuator ...
The Second Fundamental Theorem of Calculus
If ƒ is a continuous function on some interval [a, b] and an accumulation
function A is defined by then
Let's look at this geometrically ...
Given each accumulation function A(x), find it's derivative A'(x).