Question

unit test
unit test complete
1 2
if f(x) = ⎣x⎦ - 5, what is f(8.6)?
○ 3
○ 4
○ 8
○ 9
mark this and return

Explanation:

Step1: Find absolute value of 8.6

$|8.6| = 8.6$

Step2: Subtract 5 from the result

$8.6 - 5 = 3.6$

Step3: Match with the closest option

3.6 rounds to 4 (the given options are integers)

Answer:

B. 4