A function is given. (a) Find all the local maximum and minimum values of the function and the value of x at which each occurs. (b) Find the intervals on which the function is increasing and on which the function is decreasing. State all answers correct to two decimal places.
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Mathematics
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Solve the problem.A wind has an easterly component of 9 km/h and a northerly component of 17 km/h. Find the direction of the wind.
A. 62.1° B. 27.9° C. 49.5° D. 54.4°
Mathematics
Subtract.15a4 + 12a2
A. 6a6 B. 33a4 + 15a2 C. -3a4 + 9a2 D. -3a4 + 15a2
Mathematics
Determine whether the equation defines y as a function of x. y2 = 4 - x2
A. function B. not a function
Mathematics
The bar graph shows the number of new residents in several towns during the years 1999 to 2001. Use the graph to answer the question. 
In the year 2000, which town had the smallest number of new residents?
A. Middleton B. Hatsburg C. Crawley D. Birton
Mathematics