Given the function f(x) = 0.3(4)^x, what is the value of f^−1(6)?
0.360
1.242
2.161
2.312

Three times the sum of a number and seven is negative thirty-six. what is the number?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Factor the polynomial expression x6 – x3 – 20