Chapter 2 - The Derivative - 2.3 Introduction To Techniques Of Differentiation - Exercises Set 2.3 - Page 140: 39

$ y = 5x + 17$

Equation for tangent line to $f$ at $x=a$: $y - f(a) = f'(a)(x-a)$ So, if $a = -3, f(a) = f(-3) = 2$, and $f'(a) = f'(-3) = 5$, then $y - 2 = 5(x-(-3)) \iff y = 5x + 17$ is the tangent line to $f$ at $x=-3$.