F(x) = x4 + 3x3 – x² – 8x + 2 what is the local maximum and the local minimums? when is the function increasing and decreasing?

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

3.4a=57.8 what is the the value of a