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  • 18-12-2020
  • Mathematics
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Evaluate: f(x) = 2x^2 + 6x - 4; f(-5) *
1
-1 46

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VectorFundament120
VectorFundament120 VectorFundament120
  • 18-12-2020

[tex]f(x)=2x^2+6x-4[/tex]

Find the f(-5) by substituting x = -5 in the equation.

[tex]f(-5)=2(-5)^2+6(-5)-4\\f(-5)=2(25)-30-4\\f(-5)=50-34\\f(-5)=16[/tex]

Therefore, the answer is f(-5) = 16.

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