Identify the domain and range of the relation {(−1, 1), (0, 2), (3, −2), (5, 2)}. Represent the relation with a mapping diagram. Is the relation a function?

3(10x-y)-5(x-y^2) need this solved asap

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?