Which of the following graphs represent y as a function of x?

a. i only

b. i and iii

c. i, ii, and iii

d. i and ii only

( explain how you got the answer (: )

What are the domain and range of the functiony = 2(x - 3)2 + 4?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.