Eliza’s backpack weighs 18 and 7/9 pounds with her math book in it. without her math book, her backpack weighs 14 and 7/8 pounds. how much does eliza’s math book weigh?

Step-by-step explanation:

we know that

To find the Eliza’s math book weigh subtract the backpack weighs without the math book from the backpack weighs

First convert to an improper fractions

so

convert to a mixed number

step-by-step explanation:

ask goog great chance of finding the solution there

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