SOLUTION: given a piecewise function f(x)=5x+1 for 3&#8804; x<7 3x-5 for 7&#8804; x <10 Determine f(9) Show work

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Question 363646: given a piecewise function
f(x)=5x+1 for 3≤ x<7
3x-5 for 7≤ x <10
Determine f(9)
Show work

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Since x=9 is between x=7 and x=10.
f%289%29=3%289%29-5=27-5=highlight%2822%29