29
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) =
M
x
2
+4 from
M
2 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
"
M z
F
T
4
"
r
<
## <
% ! "
0
J
"
2
2
3
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