Please help! will give brainliest!! A population of horned vipers in the Sahara is experiencing exponential decay. There were 840 vipers initially, and after a year there were 798 vipers. Approximately how many years need to pass before a third of the initial population is gone? Justify your reasoning. Answer in complete sentences.

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing

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