Can anyone help me solve this problem?
I don't understand numbers 3-4 on the left. It would be very nice if someone could help me, as I have a math test on Monday.
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the task 4.
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ByJakob220
Hello. I got 0.75 for z (which is correct according to the solutions). However, I can't figure out how to calculate x and y because I can't find the appropriate ray theorems. Hope you can help me. Thanks in advance.
a) y = x2 + 2 P(3/y)
X Insert:
y = 32 + 2
y = 9 + 2
y = 11 P(3/11)
b and c are analogous to a
Many thanks✨ but what does b and c mean are analogous to a?
bsp at b) we use 5 for x2
They’re the same
You just need to insert X each time and calculate y
Gerne <3 Yes, mathematics can be simple and fun if you understand it!
Wish you good luck for the exam
Oha Thank you very much! I understand it now! 💅🏼
y = x2 – 4,25 P(-1,5/swanted y)
Use for x -1,5
y = (-1.5)2 – 4,25
y = 2,25 – 4,25
y = 2
And the result is P(-1,5/-2), right? 😁
That’s right
2.25
Think again you want to insert -1.5 in x2 (-1.5)2 how much it results
Cool! Thank you. And at c) I tried with calculators. I came to P(-1,5/-5,75), is it correct?✨
right!
Is the b) P(5/22,5)?