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german
3 years ago
12

What number is 9.5% of 20?

Mathematics
1 answer:
mars1129 [50]3 years ago
7 0
1.9


9.5% = 0.095

0.095* 20 = 1.9
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But the value of 5x^4 is always positive for x\in\mathbb{R}\setminus \{0\}. That means at x=0 there's neither minimum nor maximum.
The maximum must be then at either of the endpoints of the interval [-2,1].
The function y is increasing in its entire domain, so the maximum value is at the right endpoint of the interval.

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