### Home > CALC > Chapter 3 > Lesson 3.4.1 > Problem 3-152

3-152.

Find *z*′(*x*) if *z*(*x*) = 3*x*^{2} + 5*x* + 1. Then, find the equation of the tangent in point slope form at *x* = −2. Homework Help ✎

To find *h* and *k* (the point): *h* is given as *x* = −2, therefore *k* is *z*(−2).

To find m (the slope):evaluate z'(x) at x = −2.