Whats is 1 + 1, will give brainliest

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64