Pre Calc Review

\f2x + k, Find the value of k that will make the function f(@) continuous everywhere. f(@ ) = kx2 -5, 2> O -5 O -5 24 O such a k does not exist O -2Find the equation of the tangent line to the curve y = vc + 2 at the point (2, 2)- O 1= O y= E +2 Oy oy= =+The displacement, s in feet, of a particle moving in a straight line is given by s = 5t - 6t + 14, where t is measured in seconds. Find the instantaneous velocity when t = 2 seconds. 4 ft/s O 14 ft/s O 12 ft/s O 26 ft/s