[IMAGE] please answer all questions 2-5 fully. i don’t understand

Write a polynomial for a third-degree polynomial with leading coefficient -4

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income