SOLUTION: If g(x)=1-2x, find the value of (g(x+h)-g(x))/h

Question 616269: If g(x)=1-2x, find the value of (g(x+h)-g(x))/h
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
g(x) = 1-2x
g(x+h) = 1-2(x+h) = 1 - 2x - 2h
g(x+h)-g(x) = (1 - 2x - 2h) - (1 - 2x)
Note the use of parentheses. When you substituting in more than one term, it is important to use parentheses. Simplifying we get:
g(x+h)-g(x) = (1 - 2x - 2h) - (1 - 2x) = -2h

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