SOLUTION: Find f(-2) when f(x)=x2+4x-6. The x is squared.
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-> SOLUTION: Find f(-2) when f(x)=x2+4x-6. The x is squared.
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Question 241977
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Find f(-2) when f(x)=x2+4x-6. The x is squared.
Found 2 solutions by
checkley77, Theo
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Answer by
checkley77(12844)
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f(x)=x^2+4x-6.
F(-2)=(-2)^2+4*-2-6
F(-2)=4-8-6
F(-2)=-10 ANS.
Answer by
Theo(13342)
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put this solution on YOUR website!
you just replace x with -2 and solve.
f(x) = x^2 + 4x - 6 is your original equation.
f(-2) = (-2)^2 + 4*(-2) - 6 which you solve to get:
f(-2) = 4 - 8 + 6 = 2