Please help Identify each function for which f(4) = 7.

A f(x) = - 1/2x + 7/2
B f(x) = 2x - 1
C f(x) = 2x² – 3x – 13
D f(x) = 1/2x + 3/2

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.