(0) Given that y = F - 9x, find dr
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(ii) Find the coordinates of the stationary points on the curve y = -9x.
13
(iii) Determine whether each stationary point is a maximum point or a minimum point.
E
(iv) Given that 24x + 3y + 2 = 0 is the equation of the tangent to the curve at the point (p, q), fir
p and a.

For the equations below which statement is true ? -2x=14 6x=-42

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

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.