Finding the Slope of a Tangent Line In Exercises 5-10, find the slope of the tangent line to the graph of the function at the given point. 5. f(x) = 3 - 5x, (-1, 8) 6. g(x) = 3x + 1, (-2, -2) 7. g(x) = x2 - 9, (2, -5) 8. f(x) = 5 - x2, (3, -4) 9. f (t) = 3t - 12, (0, 0) 10. h(t) = 12 + 4t, (1, 5)