Question 5:(5 points) Determine whether the functions are linearly dependent or linearly independent on the specified intervals: (a)(e", es, ex ) on(-20, 20) (b)( x', x2 -1,5, on(-00, 00) (c)( sin x, cos' x, 1 on(-00,00) (d)( sin' x, cos x, cos 2x on(-20, 00) (e) xi, x/2, x on( 0,00)