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torisob [31]
3 years ago
5

How do I find the domain of f(x)=5x^2+4. When 0<=x<=2 #54

Mathematics
1 answer:
Blizzard [7]3 years ago
4 0

Hi

if 0 ≤ x ≤ 2

0^2\leq x^2\leq 2^2

Multiplied by 5..... 5×0^2 \leq 5x^2\leq 5×2^2

add 4  .........5×0^2+4 \leq 5x^2+4\leq 5×2^2+4

so ........4\leq 5x^2+4\leq 24



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