Which function(s) are also one-to-one?
the mapping diagram
the set of ordered pairs

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Which of the following expressions are equivalent ?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent