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Multiply everything through by e x and rearrange so it equals zero you now have e 2x -e x -6=0 It is now similar to a quadratic equation, make the dummy substitution y=e x y=3 or -2 x= ln(3) and ln(-2) does ...

In order to solve this trickier problem, the quadratic equation must be applied x=[-b +- sqrt(b^2-4ac)]/2a Apologies for messy notation, full solution will be demonstrated during interview clearly when white...

A parabola shape with x intercepts at x = -3 and x = 7 and the y intercept at y = -21

Factorise to get (x+3)(x-7)=0 So you can see that x = -3 or x =7

When seeing this sort of question, I would handle it by explaining what both a receptor and an effector is firstly and giving examples. Secondly, I would explicitly state the difference to make sure the answ...