What is the domain and range of the given function, which is a vertical shrink by a factor of 0.7 to the square root function?
a) Domain: {x| all real numbers}, Range: {y| y ≥ 0}
b) Domain: {x| x ≥ 0}, Range: {y| all real numbers}
c) Domain: {x| x ≥ 0}, Range: {y| y ≥ 0}
d) Domain: {x| x > 0}, Range: {y| y > 0}