Question: why appear error to plot 3 different graph but if i make it one by one it can be evaluate.

plot([(exp((1/2)*x))((1/2)*x+2*t*(1/3)), (exp((1/2)*x))(1+t((-256)+240-108+27)/2^7+t(168-24+27)^2/2^7+(1/3)*t^3*((-16)+9)/2^6+(1/4)*t^4/2^7), (exp((1/2)*x))(1+t(256*(-1.01)+240*(-1.01)^2+108*(-1.01)^3+27*(-1.01)^4)/2^7+t(168*(-1.01)^2+24*(-1.01)^3+27*(-1.01)^4)^2/2^7+(1/3)*t^3*(16*(-1.01)^3+9*1.01^4)/2^6+(1/4)*t^4*(-1.01)^4/2^7)], x = -4 .. 4, t = 5)

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