Elena’s aunt bought her a $150 savings bond when she was born. By the time Elena is 20 years old, the bond will have earned 105% in interest. Write an equation that can help you find how much the bond will be worth when Elena is 20 years old .

$307.5

Step-by-step explanation: Here, Elena's aunt bought her a $150 savings bond when she was born.

That is, the initial amount = $150

And, When Elena is 20 year old, the bond will have earned 105% in interest.

Therefore, The bond be worth when Elena is 20 years old,

⇒A= $307.5

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

one set of data has more variation than the other. hope this !