Answer:
m=-4
Step-by-step explanation:
subtract 3 from both sides. divide both sides by negative 2.
2 dollars per minute? The question isn't really very clear...
For an exponential function the y-intercept is the "initial value" (not the common ratio).

will always be 2. if that's what you need
note that

because anything to the power of zero equals 0 (mathematically it's deciding something by itself)
Answer:
graph D
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