# Help ! Basic logarithmic differentiation question.

Saterial

## Homework Statement

Determine the equation of the line that is tangent to y=8^x at the point on the curve x=1/2.

## Homework Equations

Differentiation Rules
m=y2-y1/x2-x1

y=8^x
dy/dx=8^x(ln8)
=8^0.5(ln8)
=5.9

y=8^x
=8^0.5
=2.8

5.9=y-2.8/x-0.5