What is f(−3) for the function f(x)=−5x−7?

1 Answer
Katie Lau
Nov 17, 2015

8

Explanation:

f(−3) basically means substitute −3 for x in the function −5x−7. In this case, substituting −3 for x results in:

f(−3)=−5(−3)−7
f(−3)=15−7
f(−3)=8

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