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Evaluate the function: f(x)=x2+2x, find f(−1)

Sagot :

VectorFundament120

Answer:

[tex]f( - 1) = - 1[/tex]

Step-by-step explanation:

[tex]f(x) = {x}^{2} + 2x[/tex]

Substitute x = -1 in the equation.

[tex]f( - 1) = {( - 1)}^{2} + 2( - 1) \\ f( - 1) = 1 - 2 \\ f( - 1) = - 1[/tex]

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