Given the function f(x) = x7 3c6 45xS + 45x4 + 5642:3 564x2 160025 + 1600 do the following and include your work Part 3 0 Determine f\"(x) and let h(x) = f\"(x). 0 Enter the definition of h(x) Determine ling h(x) x) 0 Determine h'(x). 0 Enter your result for h'(x) Determine h'(1). Determine an equation ofthe line tangent to h(x) at x = 1. 0 Graph h(x) and the tangent line 0 Is h(x) continuous everywhere? Explain. o Is h(x) differentiable everywhere? Explain