The turning points of the graph is (0,0) and (10,-500). Find what the range of the Polynomial function f is?

ANSWER:
All real numbers (-∞, ∞)
STEP-BY-STEP EXPLANATION:
We know that the range of a function is the output values of the function, in this case, it would be the interval of values that y can take.
We can see that there is no type of discontinuity, that is, the range is equal to all real numbers (-∞, ∞)