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f(-6)=1/2* (-1)²-10 f(-4)=1/2*1²-10
f(-6)= -1/2-10 f(-4)=1/2-10
f(-6)= 10,5 f(-4)= -9,5
ymax = 10,5
ymin= -9,5
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b) f(-3)=1/2(-3+5)²-10 f(5)=1/2(5+5)²-10 p=0/2*0,5=0
f(-3)=1/2*2²-10 f(5)=1/2*10²-10 f(0)=1/2*0-10
f(-3)=1/2*4-10 f(5)=1/2*100-10 f(0)= -10
f(-3)= -8 f(5)= 40
ymax= 40
ymin= -10