Here goes my 2 question

Which parent function is an example of a piecewise function? answers: linear parent function quadratic parent function an exponential parent function absolute value parent function pls i’m sorry if this doesn’t make sense

Simply 8x squared + 5(7x squared- x) - 2x =

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?