Find the unit tangent vector T and the principal unit normal vector N for the following parameterized curve.
Verify that T= N = 1 and T. N = 0.
(a) r(t) = (10 cos t^2, 10 sin t^2) for 0 < t < 2 pi
(b) r(t) = (t^2/2 , 1-6t, -9)

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?