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(math013)[2010](f)quiz~3494^_10392.pdf
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1
find all complex roots of the equation z6+2z3+2=0
2
a function is defined by f(t)=0 if t<0;1 if0t<1;0 if t1
sketch the graph of the following functions:
(i)
y=f(t-1)+f(t+1)-f(t+2)
(ii)
y=sin((t+f(t)))
3
determine the following limits according to the given graph of the function f(x)
(i)
limx-2+f(x)/(x2+3)
(ii)
limx0-[f(x+2)-2x2]