Victoria wants to earn an average grade of at least 80 on her four algebra tests. so far she has taken 3 tests and earned grades of 54, 89 and 100. is the minimum score that she needs to earn on the fourth test to get an overall average score of 80.

If f(x)= 3x+6 which of the following is the inverse of f(x)

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1