exam Maths Puzzle Numerical Ability

The figure shows the graphs of f(x)=x^3 and g(x)=ax^3. What can you conclude about the value of a?
a<-1
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exam Other Question

how do i graph this inequality? i do not understand the way my text book explains it because what it tells me is "graph the boundary curve, y=-x^2+4. use a solid line because the s solve. 2 divided by x^2+5x+6 = 5 divided by x+2 - 2 divided by x+3.
my answer is x = -3. is that correct?