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notsponge [240]
3 years ago
10

How to do this and find the max or min points

Mathematics
2 answers:
Veronika [31]3 years ago
8 0
I see your last line is : c(x) = 0.9(x^2-10)^2 + 101.1

Let y = x^2, then c(y) = 0.9(y-10)^2 + 101.1

Apparently, c(y) is a parabola, min is 101.1 when y = 10, max is infinity

So let x^2 = 10 -> x = sqrt(10) or -sqrt(10), min is 101.1, max is infinity
Levart [38]3 years ago
4 0

Answer:

the min is 101.1

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added in the picture

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