Maddy is carrying a
55
5
5
liter jug of sports drink that weighs
7.5 kg7.5\text{ kg}
7.5 kg
7, point, 5, start text, space, k, g, end text
. she wants to know how many kilograms a
22
2
2
liter jug of sports drink would weigh
(w)(w)
(w)
left parenthesis, w, right parenthesis
. she assumes the relationship between volume and weight is proportional.

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

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