Find the equation of the tangent line to the curve y = x^2 + sqrt(x) at a = 1.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Find the equation of the tangent line to the curve y = x^2 + sqrt(x) at a = 1.

Expert Solution
Step 1

Given function is,

y x2x
Substitute 1 forx and obtain the value of y in the given equation,
y(i
- 1 +1
2
Thus, the line has a point (1,2)
Step 2

The slope of the tangent at any point is given as,

y'(x +
1
=2x
2Vx
Now obtain slope m by substituting 1 for above derivative
m y (1)
1
- 2(1)
+
1
= 2 +
2
-2.5
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