What is the average rate of change for the function x=-2 to x=2

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.