jadagardner285ovrpo2 jadagardner285ovrpo2

26-07-2018
Mathematics

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If g(x)=2[x]-1, what is g(-2.3)?

A.) -7

B.) -5

C.) -4

D.) -3

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sqdancefan sqdancefan

27-07-2018

The floor function returns the largest integer not greater than the given value. Substitute the given number and evaluate.

[tex]g(-2.3)=2\lfloor -2.3\rfloor-1=2\cdot (-3)-1=-6-1\\\\=-7[/tex]

The appropriate choice is

... A.) -7

Answer Link

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