The graph of f(t) = 4.2 shows the value of a rare coin in year
t. what is the meaning of the y-intercept?
a. when it was purchased (year 0), the coin was worth
$4.
b. in year 1, the coin was worth $8.
c. every year the coin is worth 4 more dollars.
d. when it was purchased (year 0), the coin was worth
$2.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

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What is the answer to this problem? ignore the work. what is the correct answer?