Math  /  Algebra

QuestionDetermine the real roots of the cubic function f(x)=x3+3x213x15f(x)=x^{3}+3 x^{2}-13 x-15. Correctly plot the THREE roots on the coordinate plane.

Studdy Solution
The real roots of the cubic function f(x)=x3+3x213x15f(x) = x^3 + 3x^2 - 13x - 15 are x=5x = -5, x=1x = -1, and x=3x = 3.
These are plotted as points (5,0)(-5, 0), (1,0)(-1, 0), and (3,0)(3, 0) on the coordinate plane.

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