If [[x]] = x^2 + 2x + 4, what is the value of [[7]]?
If [[x]] = x^2 + 2x + 4, what is the value of [[7]]?
Answer/Solution
67
Steps/Work
These functions questions might look intimidating, but they just test your knowledge about how well you can substitute values
[[x]] = x^2 + 2x + 4
[[7]] = 7^2 + 2*7 + 4 = 67. Option D
[[x]] = x^2 + 2x + 4
[[7]] = 7^2 + 2*7 + 4 = 67. Option D