SOLUTION: I am having trouble with this question: If f (x) = a + bx, what is f (x + k) - f (x) ? Thank you so much!

SOLUTION: I am having trouble with this question: If f (x) = a + bx, what is f (x + k) - f (x) ? Thank you so much!

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Question 1180541: I am having trouble with this question:
If f (x) = a + bx, what is f (x + k) - f (x) ?
Thank you so much!
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

If , what is
first find

now substitute in

=
=...simplify
=

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