Homework Help: Precalculus

Posted by Melinda on Sunday, January 29, 2012 at 10:57pm.

Given the parent function f(x)log(base10)x, state the equation of the function that results from a vertical stretch by a factor of 2/5, a horizontal stretch by a factor of 3/4, a reflection in the y-axis , a horizontal translation 2 units to the right, and a vertical translation 3 units down.

I did this so far and I don't know what to write for a horizontal stretch by a factor of 3/4.

f(x)=alog(base10)(k(x-d))+c

=2/5log(base10)(-k(x-2))-3

Would it be 3/4 or different I know it says 1/k?

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