SOLUTION: How do you determine whether a function is linear and then find the value of f(x). Ex. f(x)=x+7; f(-3)

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Question 339973: How do you determine whether a function is linear and then find the value of f(x). Ex. f(x)=x+7; f(-3)
Answer by jim_thompson5910(28476) About Me  (Show Source):
You can put this solution on YOUR website!
The function is linear as it can be written in the form f%28x%29=mx%2Bb. To find f(-3), plug in x=-3 to get f%28-3%29=-3%2B7=4. So f%28-3%29=4


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