mruano91 mruano91

08-09-2021
Mathematics

contestada

find f(-2) if f(x)= 2x^2-x+5

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Аноним Аноним

08-09-2021

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manissaha129 manissaha129

09-09-2021

Answer:

[tex]f(x) = 2{x}^{2} - x + 5 \\ f( - 2) = 2 {( - 2)}^{2} - ( - 2) + 5 \\ f( - 2) = 2(4) + 2 + 5 \\ f( - 2) = 8 + 2 + 5 \\ \boxed{f( - 2) = 15}[/tex]

f(-2) = 15 is the right answer.

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