17. The slope of a tangent line to a curve can be used to determine the of a function. A. continuity B. rate of change C. limit D. asymptote 18. Given the function f(x) = x' + 4x] - 5x + 1, what function g(x) will represent the slope of its tangent line? A g(x) = x - Br C. g(x) = 3x3 + Br - 5 B. g(x) = 3r- 8x + 5 D. g(x) = -3x + 8x +5 19. What is the slope of the tangent line given the function m(x) = -2x* + 10 at 1=-2? A. 6 B. -8 C. -16 D. -24