SOLUTION: Given f(x) = x^2 + x - 30, solve f(x)is greater than or equal to 0. Express your answer using interval notation.

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Question 99663: Given f(x) = x^2 + x - 30, solve f(x)is greater than or equal to 0.
Express your answer using interval notation.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 + x - 30>=0
factor: (x+6)(x-5)
x=5 or x=-6 when x=0
Check the graph below and you will note:
X (-infinity,-6]U[5,infinity)
graph%28500%2C500%2C-10%2C10%2C-30%2C30%2Cx%5E2%2Bx-30%29