The picture shows a radar dish.
Figure 4 shows the graph of the function f, which describes the curve that appears in a section through the dish. The function f is given by the calculation regulations:
f(x)=5,30*10-3, where .x € [-35:35]
All measurements are in cm.
The line t is tangent to the graph of f at the point A. Point A has the coordinates (20; f (20)).
If a coordinate system is inserted in a section along the badminton court so that the center of the badminton court is in (0; 0), one can describe the ball's path by a long serve, by the following function, where the y-coordinate indicates the height of the ball above the floor measured in meters.
y=f(x)=-4,293*10-3*x4- 4,386*10-3 x3 - 3,790*10-3 x2 +0,9784x+ 3,468
t the inlaid coordinate system seen in Figure 4, the serving badminton player strikes the ball where x = -2.5.
An exponential development f (t) = 5 * 1.2t, t is this year
An exponential development goes through the two points (1; 4) and (5; 28)
Throughout history, gold rings for men have been popular among kings. regents and army leaders Within the aka world there is a doctor ring in Denmark and Sweden that can be worn by people. Having acquired a doctorate time, it has become more common for men to wear rings. These are often made of gold, white gold or platinum and often with different types of stones.
The picture shows a gold ring with the gemstones onyx (black) and a diamond.
In Figure 1, the onyx is seen as a tinted area in a coordinate system. The area is bounded by the y-axis as well as the graph functions f and g with the regulations.
f(x) = - 0,033x4 + 0,10x3- 0,26x2 + 0,29x + k
g(x) = 0,32x2,6
All dimensions are in centimeters. The value of k was determined in question 1a).
The height is defined as the vertical distance between the graphs of f and g.
The piece of onyx used for the ring is 0,1 cm thick everywhere.
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