If (x + k) is a factor of f(x), which of the following must be true? f(k) = 0
f(–k) = 0
A root of f(x) is x = k.
A y intercept of f(x) is x = –k.

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

this is a good question! i’ll do some research and what i find, i’ll contact you asap when i have something! ✊

sometimes it can be so they can fit in with a certain group, and others are just like that because of their personality.

step-by-step explanation: if she dances 25 minutes longer then runs she would have dance 25 more minutes of running and 30 minutes of dancing to add up to 55