Y = x^3
y = -3x^3
y = -3x^3 - 5
My graphics calculator reveals that when y = 0, x = -1.064 but I have unable to work out the Algebra to get to this answer. Please help.
It appears that you want to find the x- intercepts of the above functions?
In each case, plug in y = 0 and ...
A Complete, Neat and Step-by-step solution is provided.