Answer:
slope =

Explanation:
To find the slope, differentiate with respect to x and evaluate at x = 4
is the measure of the slope of the tangent at x = a
Differentiate each term using the power rule
(a
) = na

Given
y =
+ 2

= 4
+ 2
, hence
= - 4
+

= -
+

At x = 4
= -
+

= -
+
=