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3 years ago

Worth 100 points please give full answer❤️

Mathematics

2 answers:

Tpy6a [65]3 years ago

5 0

f'(x)= $\frac{18tx+20x-7x^{2} +63t+140}{(x^{2} +9t+20)^{2} }$

natta225 [31]3 years ago

4 0

Answer: f'(x)= x+r=9 over 2 x 7 = 126

because 9 x 2 = 18 x 7= 126

your answer is 126

Step-by-step explanation:

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