23. Solve the following limits. Show each step for maximum credit. 3 I _ n n a) lim :C 8 = b) lim e2 1 = c) lim 2s1n(x)_ 31n(2x) = H? 2x x6 H0 x +x H0 xsm(x) 24. A particle moves along the x-axis such that its position at time I is given by x0) : t3 12t2 + 45: +2 for all t Z 0 . ( I is measured in seconds and distance is measured in feet) (a) Find the velocity function. (b) Find the acceleration function. (e) What is the speed when t = 2