Good day,
I need some help with the following problem, as my calculation method doesn't match the sample solution. Below is an image of the problem, an image of the sample solution, and an image of my calculation.
I look forward to your help.
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Your bill is correct. The sample solution contains an error directly at the beginning. The functional equation in the solution deviates from the task.
It should be noted here that the sample solution does not fit the task:
The task is:
In the sample solution it is calculated as if:
It is therefore obvious to say that either the task of text or the pattern solution is wrong. This is a shame for all those who blindly rely on school books and other educational materials to be error-free.
Hi.
the text of the task is wrong (the function) and that is not the case in the solution.
The function is: 1/2 * x2 (x + 5), because x + 5x makes no sense, it would be clear 6 x as well as you expected it.
LG,
Heni