Y = 2x - 6 y = - 4x + 3
1 answer:
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1. This is an exponential function with general form 
. It passes through (0, 3), (1, 6), and (2, 12). It starts at y = 3, so a = 3. For every 1 unit increase in x, the y-value doubles, so b = 2. Therefore, the equation for this graph is 
.
2. Since b = 0.42 (which is < 1), this is decaying. The multiplier is -3. The function is decreasing by 58% (1 - 0.42 = 0.58). This is shifted 16 units to the left (the exponent is x + 16), and 9 units down.
3.
2. Since b = 0.42 (which is < 1), this is decaying. The multiplier is -3. The function is decreasing by 58% (1 - 0.42 = 0.58). This is shifted 16 units to the left (the exponent is x + 16), and 9 units down.
3.