F(x)=2x^2 +1 find and simplify: : if f(a) =19 find a.
isn't a just 19? ?...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 16.11.2019 08:31, cocobelle
F(x)=2x^2 +1 find and simplify: : if f(a) =19 find a.
isn't a just 19? ?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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