determine the zeros(to the nearest tenth) and the domain and range:

Question

y=-2x+4

and

y=-x2(squared) - 3x - 4

Answer 1

y is zero , so 1) x=2 domain all real x, range all real numbers

2) y=-(x-3)(x+1) pr roots x=3, or x=-2

domain all real numbers.
range: -inf to -2.25 check that.