Answer:
Step-by-step explanation:
x=9
Equation: 5.60x=50.40
Solve: 5.60x=50.40
Divide both sides by 5.60 ( 5.60x/5.60 ) and ( 50.40/5.60 )
f(-12) = -12(-12) + 100 = 144 + 100 = 244
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