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09-04-2020
Mathematics

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Find f(-2) for the function f(x)= 3x2-2x+7

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Hrishii Hrishii

09-04-2020

Answer:

f( - 2) = 23

Step-by-step explanation:

[tex]f(x) = 3 {x}^{2} - 2x + 7 \\ plug \: x = - 2 \\ f( - 2) = 3 {( - 2)}^{2} - 2( - 2)+ 7 \\ = 3 \times 4 + 4 + 7 \\ = 12 + 11 \\ \huge \red{ \boxed{ f( - 2) = 23}}[/tex]

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