Niabi built the following graph to model the passing of a comet near Earth and then flying back out to space. Which of the following domains is appropriate for the graph and the context? A) 0 to 5

B) All Positive Real Numbers and Zero

C) All Negative Real Numbers and Zero

D) All Real Numbers
PLEASE HELP ME

Solve for x i'll try to attach the files bc it's not letting me for some reason

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x