SOLUTION: Given f(x)=[x]-5, find f(-4.5)

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Question 881764: Given f(x)=[x]-5, find f(-4.5)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I'm not sure if you're indicating the absolute value function of x or the floor function (greatest integer). I'll show both.
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Absolute value:
f%28x%29=abs%28x%29-5
f%28-4.5%29=abs%28-4.5%29-5
f%28-4.5%29=4.5-5
f%28-4.5%29=-0.5
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Floor function:
f(x)=[x]-5
f(-4.5)=[-4.5]-5
f(-4.5)=-5-5
f(-4.5)=-10