1. Evaluate the following derivatives:

1. f(x) = 6
2. f(x) = 5x² - 3x^1/2 + 7
3. f(x) =
4. f(x) = ln | 6x |
5. f(x) = e^x
6. f(x) = 1 / x⁴
7. f(x) = (x³ - 7x)⁴ / (x⁴ + 2x²)³ {use the quotient rule}