What differentiable functions have an arc length on the interval [a, b] given by the following integrals? note that the answers are not unique. give all functions that satisfy the conditions integral a to b squareroot1 + 64x^8 dx integral a to b squareroot1 + 64 cos^2(2x)dx choose the correct answer below. select all that apply. a. y = 8x^4 + c b. y = -8x^5/5 + c c. y = -8x^4 + c d. y = 8x^5/5 + c e. y = 32x^3 + c f. y = -32x^3 + c g. y = 4x^6/15 + c h. y = -4x^6/15 + c