Given the function below, if fir-3} = nil: and will. then what is the lowest sum of a and II? Type in your answer in digiti's only. Note: Answer must be an hteger. x3 x23x4 f(x)= Your answer Given the iunctl'en below, if ff) = nib and 3:0, then find the lowest difference of b - a; Type in your answer only. Note: Answer must be an integer. Your answer Given the function below, what is the value of x 2- 0 which is excluded from the domain of ([1). Note: Answer must be an integer. x-3 x23x4 f(X)= Your