True statements are following,
A. The vertex of the function is at (1,–25).
E. The graph is negative on the entire interval –4 < x < 6.
Increasing function :
The graph of function is given,
- The vertex of the function is the point of minima or maxima.
- The graph of function is increasing in that interval in which slope of tangent is positive.
- The function is positive in interval in which graph is above x- axis.
- The function is negative in interval in which graph is below x- axis.
Learn more about the graph of function here:
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