Question

If mc008-1.jpg, what is f(5.9)?

Answer 1

The answer:

the full question is if f(x) = 3 [ x - 2 ] , what is f(5.9)?

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first, [x - 2 ] is called the integer part of x-2, 
generally, to compute f(c) where c is a real number, it is sufficient to substitute the value of x by c.
so f(5.9) = 3 [ 5.9 - 2 ] =  3 [ 3.9 ]

 as we know that [ 3.9 ]=3

therefore
3 [ 3.9 ]= 3x3 =9

the answer is 9

Answer 2

Answer:

9

Step-by-step explanation:

5.9 - 2 is 3.9 which rounds down to 3.

3 * 3 is 9