In Exercises 59–86, find the derivative of y with respect to the given independent variable.
85. y = log₂(8t^(ln 2))

In Exercises 59–86, find the derivative of y with respect to the given independent variable.

61. y = 5√s

"In Exercises 59–86, find the derivative of y with respect to the given independent variable.

63. y = x^π"

In Exercises 59–86, find the derivative of y with respect to the given independent variable.

59. y = 2^x

Let f(x) = x³ − 3x² − 1, x ≥ 2. Find the value of df⁻¹/dx at the point x = −1 = f(3).

Find the indicated derivative.

$f(x)=3x-4$

$f^{\prime}(x)=$

Find the indicated derivative.

$d/dt(-5t)$

Find the indicated derivative.

$d/dt(-5x)$

Find the indicated derivative.

$d/dx\left(\pi\right)$