If (x + k) is a factor of f(x), which of the following must be true? f(K) = 0

f(x)=0

A root of f(x) is x = k.

Ay intercept of f(x) is x = -k.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?