Brainliesttt asap!me : )

graph the given relation or equation and find the domain and range. then determine whether the relation or equation is a function.
y = 2x + 2

What is this inequality notation? t is less then or equal to 2

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is