If (11+x) is positive, but (4+x) is negative, what is one number that x could be?

Which of the following expressions is equal to 2x^2+8

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =