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Mathematics
Spike
14 April, 04:59
If ƒ (x) = ⎡x⎤ - 4; find ƒ (-3.2)
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Nathan Lamb
14 April, 08:47
0
f (-3.2) = -.8
Step-by-step explanation:
f (x) = |x| - 4
Let x = - 3.2
f (-3.2) = |-3.2| - 4
Absolute value means take the positive number
f (-3.2) = 3.2-4
f (-3.2) = -.8
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