Write each function as a power function in the form $y = kx ^p\text{.}$ For this exercise, enter rational numbers in decimal form. For example, enter “0.5” rather than “1/2”.

1. $f(x) = \dfrac{12}{x^2}=$
2. $g(x) = \dfrac{1}{4x}=$
3. $h(x) = \dfrac{2}{5x^6}=$