exam Maths Puzzle Numerical Ability

i need to know how to make a T graph, could you help me?

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exam Other Question

A company uses this formula to calculate daily profit in hundreds on $'s.
P(x) = 3square root(3 + x) 4 square.

What would the instantaneous rate of change of profit function
1. x/3x^2+4x-32 - 8x/3x^2+5x-28