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SashulF [63]
3 years ago
11

The graph of f(t) = 4.2 shows the value of a rare coin in year t. What is the

Mathematics
1 answer:
12345 [234]3 years ago
3 0

<u>Given</u>:

The graph of f(t)=4 \cdot 2^t shows the value of a rare coin in year t.

We need to determine the meaning of the y - intercept.

<u>Meaning of the y - intercept:</u>

Here, t represents the x - axis and f(t) represents the y - axis.

The value of y - intercept is the value of y when x = 0.

Hence, the the value of f(t) can be determined by substituting t = 0 in the function f(t)=4 \cdot 2^t

Thus, we have;

f(0)=4 \cdot 2^0

f(0)=4

Thus, the value of the y - intercept is 4.

The y - intercept represents the value of the rare coin in year 0.

Therefore, the meaning of the y - intercept is "When it was purchased (year 0), the coin was worth $4".

Hence, Option B is the correct answer.

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