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Posted by on Thursday, October 1, 2009 at 1:53pm.

A cubic graph has the equation:
y = 3(x-1)(x+2)(x+5)

Write in similar form the equation of the graph after a translation ( 3)

Could you show me step-by step please?

  • Maths - , Thursday, October 1, 2009 at 6:46pm

    You need to specify the direction of the translation, 3 units along +x, along -y ??

    Translation along +y direction is simply adding a constant to the function.
    Thus g(x) = f(x)+3 would shift f(x) upwards by three units.
    On the other hand, g(x) = f(x-k) will shift the graph of f(x) k units to the right, i.e. in the direction of +x axis.

    If you need further help, please post.

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