Ignore my work but please answer this for me

9. Given the graph of H(x) pictured to the right, find the equation of tangent line to the graph of P(x) = 3 (H(x))' when x = -4. 4 - y1 = m (x-x1 ) ( EX ) = 4 P ( x ) = 3 J ( H(XJ DS P ( x ) = 3 54 - 3- 45 /2 P ( - 4 ) =