Perform the indicated operations 4/21x^2 + / 2/15x

Perform the indicated operations 4/21x^2 + / 2/15x

 
_________
 
Give the domain and range for the rational function. Use interval notation f(x) 1/(x+3)^2 
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2 Answers

????????????? /2/ ???????????

zat spozed tu be abs(2) ?????????
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2/15x-4/21x^2=
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