The linear function h(x) has a slope of 2 and passes through the points (0, 6) and (–3, 0). The exponential function k(x) follows a pattern of exponential growth and passes through the points (–2, 0) and (0, 1). On which interval are both functions positive?

(–3, ∞)
(–∞, –3)
(–∞, –2)
(–2, ∞)