Could someone me answer questions 2,3 & 4. show your workings. answer urugently / asap ☺

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.