f(x)=\sqrt{-2x}f(x)= −2x f, left parenthesis, x, right parenthesis, equals, square root of, minus, 2, x, end square root What is the domain of f?f?f, question mark Choose 1 Choose 1 (Choice A) A All real values of xxx such that x= 0x=0x, equals, 0 (Choice B) B All real values of xxx such that x\neq 0x  =0x, does not equal, 0 (Choice C) C All real values of xxx such that x\leq 0x≤0x, is less than or equal to, 0 (Choice D) D All real values of xxx such that x\geq 0x≥0x, is greater than or equal to, 0 (Choice E) E All real values of xx

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation: