For the function above, is the discriminant positive, negative, or zero?

Explain how you can use the associative property to evaluate (7x50)x4.

Which expression is equivalent to -5(3x - 6/7)

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6