3. The area of a schoolyard, in square metres, is represented by the equation 3x2 + 29x + 40. Determine the length and width of the schoolyard when x = 26. (4 marks)

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.