SOLUTION: Given the function f(x) = -3x^2 - 6x - 6, is the point (-1, -3) on the graph of f?

SOLUTION: Given the function f(x) = -3x^2 - 6x - 6, is the point (-1, -3) on the graph of f?

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Question 1043266: Given the function f(x) = -3x^2 - 6x - 6, is the point (-1, -3) on the graph of f?

Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
Substitute x = -1 into f(x)
f(x) = -3(x)^2 - 6x - 6
f(-1) = -3(-1)^2 - 6(-1) - 6
f(-1) = -3 + 6 - 6
f(-1) = -3 (y = -3)
So, yes point (-1, -3)lies
on the graph of f(x).
Hope this helps :-)
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