babyboogrocks531 babyboogrocks531 16-02-2024 Mathematics contestada What is the second derivative of the given function f(x)=x^4+6x³-7x²-8x?A) 4x³+18x²-14x-8B) 4x³+18x²+14x-8C) 4x³+18x²-14x+8D) 4x³+18x²+14x+8