Answer:
66.6
Step-by-step explanation:
1200/1800x100 = 66.6
increased by 50%
($1,800/$1,200)*100= 150%
150%-100%=50%
16
Replace the variable in the expression
f (-2) = (-2)^2-10 x -2
f ( − 2 ) = − 4 + 20
Add − 4 and 20
f ( − 2 ) = 16
It should be 1
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