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Bond [772]
3 years ago
11

Need help.

Mathematics
1 answer:
Zina [86]3 years ago
3 0
f(x)=5x+9\\
f'(x)=5
The derivative is constant. It's equal 5 for any argument.

f(x)=\dfrac{6}{x}\\
f'(x)=-\dfrac{6}{x^2}\\
f'(-2)=-\dfrac{6}{(-2)^2}=-\dfrac{6}{4}=-\dfrac{3}{2}
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