True or false? Explain.

If f = {(1, 1), (2, 4), (3, 9)}, then f(5)=25

the answer is false (online system) but i dont know why

pls help stuck on HW

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6