In more conventional notation, ...
b(x) = -15x² +450x +325 . . . . 0 ≤ x ≤ 24
For 1990, x = 1990 - 1983 = 7
b(7) = -15·7² +450·7 +325 = 2740
The value of the card in 1990 was 2740.
Answer:
Find out what x should be the apply by the power of 2 then you should be good
Answer:
from my understanding the answer is 175.80
Step-by-step explanation:
Answer:
A)
Step-by-step explanation:
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Answer:

Step-by-step explanation:


This is because we subtract 456 from each side.

We then divide the whole equation by <em>x</em> .

Adding 50 to both sides gives us <em>x</em> by itself, hope this helps :D