Which graph shows \( f(x)=3 \cdot 2^{x}-2 \) and its translation \( g(x)=3 \cdot 2^{x}+3 ? \)
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To visualize the transformation between the functions \( f(x) = 3 \cdot 2^{x} - 2 \) and \( g(x) = 3 \cdot 2^{x} + 3 \), imagine starting with an exponential growth curve for \( f(x) \). The function starts off with a vertical asymptote at \( y = -2 \), which means it approaches -2 but never touches it. Now, for \( g(x) \), it’s like lifting the entire curve of \( f(x) \) up by 5 units because it shifts up from \(-2\) to \(3\). This means you’ll have a similar shape, just sitting higher on the graph! When graphing both functions, you'll notice that \( g(x) \) not only retains the original steepness of \( f(x) \), but its y-intercept also shifts. For \( f(x) \), the y-intercept is at \( (0, 1) \); for \( g(x) \), it's at \( (0, 6) \). The transformation illustrates how crucial vertical shifts are in altering functions without affecting their growth rate.