Which statement is true about the function f(x)=-x ? a). the domain of the graph is all real numbers. b). the range of the graph is all real numbers. c). the domain of the graph is all real numbers less than or equal to 0. d). the range of the graph is all real numbers less than or equal to 0.

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

Does the point (1, sqrt 7) lie on circle shown.

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)