The original price of the ring is <span>£</span>1400
The formula for exponential growth and decay is: In this function, a symbolizes the origin value, such as the starting population or the beginning dosage level. The variable b represents the growth or decay factor. If b > 1, the function signifies exponential growth.
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Answer:
-2.1
Step-by-step explanation:
Y=2x+4
y=2x-4
and the last one is already in standard form
