The values of x and y vary directly and one pair of values are given.
Write an equation that relates x
and y. Simplify completely.
x = -4, y = 6
[?]
y =
х

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Which of the following graphs could represent a cubic function?