Consider the exponential functions f, g, and h, defined as shown. function f function g function h f(x) = -2(3)x + 6 x g(x) -1 1 0 4 1 16 2 64 3 256 Determine which function or functions have each key feature. only h(x) only g(x) only f(x) f(x) and h(x) f(x) and g(x) all three functions g(x) and h(x) increasing on all intervals of x arrowRight approaches an integer as x approaches -[infinity] y-intercept at (0,4) x-intercept at (1,0)