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16-07-2020
Mathematics

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Find the value of the function f(x) = x2 + 4x - 3, when x = -1.

Respuesta :

Hrishii Hrishii

16-07-2020

Answer:

- 6

Step-by-step explanation:

[tex]f(x) = {x}^{2} + 4x - 3 \\ \: plug \: x = - 1 \\ f( - 1) = {( - 1)}^{2} + 4( - 1)- 3 \\ f( - 1) = 1 - 4- 3 \\ f( - 1) = 1 - 7 \\ \huge \red{ \boxed{ f( - 1) = - 6}} \\[/tex]

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