F(x) = 3 + Vx
What’s the domain and range

Domain: points where x can be defined.

As stated, the domain is -4 to 8.

The range is the y values where it can be.

So, the lowest y value to the highest y value.

f(-4) to f(8)

or

-12 to 24

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option