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RUDIKE [14]
3 years ago
10

Which statement is correct about relations and functions?

Mathematics
1 answer:
vitfil [10]3 years ago
6 0
1. all functions are relations.

2.
-7 + 3(-12) ÷ (-3)
-7 - 36 ÷ -3
-7 - (-12)
-7 + 12
5  

3.
 f(n) = n² - n    f(-4)
f(-4) = -4² - (-4)
f(-4) = 16 - (-4)
f(-4) = 16 + 4
f(-4) = 20

hope this helped, God bless!
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