book Maths Puzzle Numerical Ability

Given f(x)=4x-3 and g(x)=2x(to the power of 2)-5 find f[g(-1)] and g[f(-1)].

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ok find a,b,c,d,e abd f given the following conditions a(b+c+d+e+f)=184 b(a+c+d+e+f)=225 c(a+b+d+e+f)=301 d(a+b+c+e+f)=369 e(a=b=c=d=f)=400 f(a=b=c=d=e)=525 can u find what a,b,c,d which line is steeper?
y=3/5x-2 or y=2/3x+3?