(a)
\The function is and the point is
.
Apply derivative on each side with respect to .
Apply power rule of differentiation: .
.
Slope of the tangent line is the derivative of the function at .
Substitute in the derivative function.
.
.
Slope of the tangent line to the curve at the point is
.
Find the tangent line.
\Point-slope form of line equation : .
Substitute and
in point-slope form.
.
The tangent line is .
(b)
\Graph:
\Graph the function and tangent line
passing through the point
.
.
(c)
\Graph:
\Graph the derivative field .
Graph the function and tangent line
passing through the point
.
.
\
(a) The tangent line equation is .
(b)
\Graph:
\Graph the function and tangent line
passing through the point
.
(c) Graph the derivative field .
Graph the function and tangent line
passing through the point
.
.