For a twice-differentiable function f(x), f(4) is 5, f prime of 4 is 0 and f double prime of 4 is –6. Which of the following is true of the graph of y = f(x) at the point (4, 5)?
W) There is a local minimum
X) There is a local maximum
Y) There is an inflection point
Z) The graph is concave up
✔️Answer:X) THERE IS A LOCAL MAXIMUM
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