Let f be a function such that integral from negative 1 to 1 of f (x) d x = 5 and integral from 5 to 1 of f (x) d x = 1. What is the value of 3 integral from negative 1 to 5 of f (x) d x? 12
14
16
18

36

step-by-step explanation:

yes

step-by-step explanation:

yes

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.