Which of the following are convex functions: x^2, x square, 0, sin(x), e^x, sqrt(x), x^-0.5
x^2, x square, 0, e^x
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Which of the following are convex functions: x^2, x square, 0, sin(x), e^x, sqrt(x), x^-0.5
### Input: 
### Response: x^2, x square, 0, e^x