Points, Vectors, and Functions Exercises

Define the function f by f(x, y, z) = x + y – z. Find 

•  f(2, -4, 5)

Define the function f by f(x, y, z) = x + y – z. Find 

• f(1, 1, 1)

Is the following function a vector function or a scalar function?

Is the following function a vector function or a scalar function?

• f(x, y) = (y, x)

Does the following function describe a vector or a scalar function?

• f(x, y) = y – x

Is the following function a vector function or a scalar function?

• f(x, y) = y²

Does the following following function describe a vector or scalar function?

• f(x, y) = (x + y, x² + y²)