6. Which of the following functions have graphs that lie completely above the $x$-axis? (1) $y = x + 100$ (2) $y = x ^ { 2 } + 1$ (3) $y = 2 + \sin x$ (4) $y = 2 ^ { x }$ (5) $y = \log x$
& 234 & & 18 & 8 & & 34 & 2
6. Which of the following functions have graphs that lie completely above the $x$-axis?\\
(1) $y = x + 100$\\
(2) $y = x ^ { 2 } + 1$\\
(3) $y = 2 + \sin x$\\
(4) $y = 2 ^ { x }$\\
(5) $y = \log x$