Iam finding the mean of 13, 14 , 0, 36, 18 ,12. i got an answer of 15r3 how is the answer 15.5 and not 15.3

i think 1: 2

step-by-step explanation:

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