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22-01-2015
Mathematics

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What is the value of the function y = 4x – 19 when x = −2.3?

y =

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24-01-2015

[tex]y=4x-19 \ and \ x=-2.3 \\ \\ y=4 \times (-2.3)-19=-9.2-19=\boxed{-28.2}[/tex]

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