From the set {35, 49, 63}, use substitution to determine which value of x makes the inequality true.

A.
49
B.
none of these
C.
63

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0