schriftliche Aufgabe
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Transcript of schriftliche Aufgabe
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Task 1
a) Give the maximum each domain and the corresponding set of values of the function and sketch
the graph.
b) Where is the line
i ) Add to the equation of the straight line h , that is parallel to and passes through g P ( 2/2) !
ii ) Add the equation of the line s , which is perpendicular to and passes through g P ( 2/2) !
iii ) Explain in your own words , what is the connection between parallel and perpendicular linesthere .
iv ) Draw the lines g , h and n in a coordinate system !
c ) The point Q ( 2 / f ( x)) to the function f (x) = 1/x a straight s down to the function f
perpendicular . Determine the equation of the perpendicular line n and compute its zero ! ( Drawing
is not necessary.)
d)
i) a straight line g : y = mx + c is reflected in the y -axis.
What is the relationship between the slope of the original line and the slope of the mirror line ? Give
reasons for your answer!
ii) a straight line g : y = mx + c is in the first Median ( line y = x ) mirrored .
What is the relationship between the slope of the original line and the slope of the mirror line ? Give
reasons for your answer!
Task 2
Given the function
a) Examine the function f !
i) symmetry
ii ) Asymptotic behavior and asymptotic function
iii ) zeros
iv ) extreme values ( necessary and sufficient condition )
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v ) Turning Points ( necessary and sufficient condition ) ( no turning tangent !)
b ) Draw the function f with all the characteristic points in the interval [ -1.5,5 ]; calculate 5LD edge
spots!
c) The cross section of a mountain range in math land is by the function f in the interval [-1,4]; given .
One unit on the x- and y- axis corresponds to each 1000 m.
( Also note the new boundary points . )
i) In the mountains ( graph of the function f) at the points x = 1 and x = 2 ever built a mountain cabin.
What is the difference in height between the two mountain huts ?
What is the distance between the two mountain huts in a straight line ?
ii) Give the highest and lowest point of the mountain ! ( In the interval [-1 , 4 ] !)
iii ) At what point x the mountain is steepest ?
iv) Math country ski runs are only up to a slope m of the slope between - 0.5 and + 0.5 allowed .
(1 ) Which of pitch angle corresponds to m = 0.5 ?
(2 ) In what subintervals of [-1 , 4 ] ski slopes are allowed in these mountains ?
Task 3
a) Some telescopes will be set a correcting lens in front of the concave mirror .
The upper part of the cross section of such a lens is approximated by the function f(x) = 0,5 x4 - 0,5 x
2
described .
The lower part of the cross section corresponds to a constant function.
At which two points ( only x - coordinate) is the cross section of the thinnest lens ? Document all
steps necessary computing !
b ) A ball starts at A (- 2 / 0), and rolls along a parameter- shaped path . At point B, the path ends at
this point and the ball rolls on a tangential line and reaches the point N (5/ 0) , the x -axis.
The parameter -shaped path described by a portion of the graph of the function f (x) = 1/2 x2 - 2.
Determine with suitable mathematical methods, the coordinates of the point B at which the ballleaves the web.