Which of the following situations represents choosing a random sample?

Make a list of everyone in the population and put their names in order of age. Choose the ten youngest and ten oldest people.
Make a list of everyone in the population and put their names in alphabetical order. Choose every twelfth name.
Assign each person of the population a number. Put all the numbers into a bowl and choose ten numbers.

assign each person of the population a number. Put all the numbers into a bowl and choose ten numbers

Step-by-step explanation:

the first one is not random because you are picking the ten youngest and ten oldest

the second one is not random because you are choosing every twelfth name

Choose every twelfth name.

Step-by-step explanation:

answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1