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The slope of the tangent line at x = is zero. A maximum or
minimum of the function must be at this point!
Numeric integral
%Q
%Q calculates the numeric function integral of an
expression with respect to a variable x, given a lower limit and
an upper limit.
Example in RAD angle mode
³ Problem
Find the area under the curve f(x) = Mx
2
+4 from M2 to 0 and
then from 0 to 2. What do you notice? What could you say
about the graph?
q $$ """" <
%A
z G 3 " U 4 z ""
2 P % b 3
<
%Q q " <-
%Q
0 " g""
z X z" <
%Q M 2 " 0 "
Mz F T 4 " r
<
## <
%! "0 J
" 2
2
3
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