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If f(x) = 5x + 40, what is f(x) when x = -5?

User Yi Zeng
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1 Answer

3 votes

Since the text gives us the expression that represents f(x), we only need to substitute x=-5 in the function:


f(x)=5x+40

Substituting x=5.


f(x)=5(5)+40
undefined

User Ahmed AlAskalany
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