Find k such that the function is a probability density function over the given interval. Then…

Find k such that the function is a probability density function over the given interval. Then write the probability density function. f(x) = kx2; (-1,4] Å f(x 1 / 2 (x) = 1 x ² O 3 64 7; f(x) = CS x2 2. 65