SOLUTION: If m(x) = -2x+1, what is [m(x+2) - m(x)]/2? The answer is said to be -2 but I keep on getting 1.

Algebra ->  Functions -> SOLUTION: If m(x) = -2x+1, what is [m(x+2) - m(x)]/2? The answer is said to be -2 but I keep on getting 1.      Log On


   

Question 1145301: If m(x) = -2x+1, what is [m(x+2) - m(x)]/2?
The answer is said to be -2 but I keep on getting 1.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If m(x) = -2x+1, what is [m(x+2) - m(x)]/2?
The answer is said to be -2 but I keep on getting 1.
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m(x+2) = -2(x+2) + 1 = -2x - 3
Subtract m(x)
m(x+2) - m(x) = -4
-4/2 = -2