Does this graph represent a function? Why or why not?
10
8
8
4
2
2
-8
-10
O A. Yes, because it passes the vertical line test.
O B. No, because it fails the vertical line test.
O C. No, because it is not a straight line.
O D. Yes, because it passes the horizontal line test.
Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared
What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1