32+n=105
32-32+n=105-32
n=73
Step-by-step explanation:
3 divide 180 230 7 c=mc square that eaquls 2
F(x)=x²+3x
f(0)=0²+3*0=0+0=0
Answer: f(0)=0
f(4)=4²+3*4=16+12=28
Answer: f(4)=28
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