Question: Example 3 A rectangular mirror has perimeter 260 cm. a If the length of the mirror is xcm, find the height of the mirror in

Example 3 A rectangular mirror has perimeter 260 cm. a If the length of the mirror is xcm, find the height of the mirror in terms of x. - . - . X Cm b Find an equation for the area of the mirror, Acm?, in terms of x. 0 Use your GDC to plot a graph of your equation for the area of the mirror, showing area A on the y-axis and length x on the x-axis. Choose a suitable domain and range. Find the coordinates of the points where the graph intersects the x-axis. State what these two values of x represent. Find the equation of the graph's line of symmetry. ga = o A State what the equation of the line of symmetry represents in this context

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