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HELP ME PLEASE!!! WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!!! picture below
The graph of f(t) = 4 • 2t shows the value of a rare coin in year t. What is the meaning of the y-intercept?
A. Every year the coin is worth 4 more dollars.
B. When it was purchased (year 0), the coin was worth $4.
C. In year 1, the coin was worth $8.
D. When it was purchased (year 0), the coin was worth $2.

HELP ME PLEASE WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER picture below The graph of ft 4 2t shows the value of a rare coin in year t What is the meaning of t class=

Respuesta :

hanafubuki
B since it is on the x-intercept at 0 then is shown on the y-intercelt at 4.The answer has both of these numbers.
altavistard

Answer:

4 units

Step-by-step explanation:

First of all, notice that the graph is NOT a straight line.  That means we should have written f(t) = 4*2^t instead of f(t) = 4*2t.

In words:  the value of this coin is 4 units at time t=0 and grows exponentially with time.  

This is an exponential function.  The y-intercept is obtained by letting t = 0 and evaluating f(0) = 4*2^0.  This is equal to 4*1, or just 4.  Once again, the y-intercept represents the initial value of the coin.


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