Which is a valid prediction about the continuous function f of x ?
A
f of x is less than or equal to 0 over the interval negative infinity comma infinity .B
f of x is greater than or equal to 0 over the interval negative 1 comma 1 .C
f of x is less than 0 over the interval 0 comma 2 .D
f of x is greater than 0 over the interval negative 1 comma infinity .