For the quadratic function f(x)=-(x+4)-3, determine the largest open interval of the domain (a) over which the function is increasing and (b) over which the

For the quadratic function f(x)=-(x+4)²-3, determine the largest open interval of the domain (a) over which the function is increasing and (b) over which the function is decreasing.A) The largest open interval of the domain over which the function is increasing is.B) The largest open interval over which the function is decreasing is