Describe the graph of f at the given point relative to the existence of a local maximum or minimum. assume that f(x) is continuous on (-infinity, infinity). (9,f(9)) if f'(9)=0 and f''(9)< 0 what is the best description of the graph of f at the point (9,f( a) unable to determine from the given information b) neither c) local maximum d) local minimum

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

If the equation of a line containing the midsegment of a triangle is y = -1/4x -11, what is the slope of the triangle side that is opposite the midsegment (the one not touching it). explain how you know.