Answer: 9 1/16
nine and one sixteenth
Explanation:
Substitute x = 3 and y = 4 into the equation:
3x + 1/4^y
= 3(3) + 1/4^(2)
Then solve using the order BEDMAS (brackets, exponenets, division, multiplication, addition, subtraction).
= 3(3) + 1/4^(2)
= 3(3) + 1/16
= 9 + 1/16
= 9 1/16