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Dominik [7]
3 years ago
5

2x + 3y + x +7 Like terms

Mathematics
2 answers:
Serjik [45]3 years ago
4 0

Answer:

3x+3y+7

Step-by-step explanation:

2x+x+3y+7

3x+3y+7

igor_vitrenko [27]3 years ago
3 0

Answer:

3x+3y+7

Step-by-step explanation:

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The idea is to use the tangent line to f(x)=\sqrt x at x=25 in order to approximate f(25.3)=\sqrt{25.3}.

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f(x)=\sqrt x\implies f(25)=\sqrt{25}=5

f'(x)=\dfrac1{2\sqrt x}\implies f'(25)=\dfrac1{10}

so the linear approximation to f(x) is

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Hence m=\frac1{10} and b=\frac92.

Then

f(25.3)\approx L(25.3)=\dfrac{25.3}{10}+\dfrac92=\boxed{7.03}

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