The graph of f(t) = 3.2 shows the value of a rare coin in year t. What is the
meaning of the y-intercept?
O
A. In year 1, the coin was worth $6.
O
B. Every year the coin is worth 3 more dollars.
Ο
c. When it was purchased (year 0), the coin was worth $3.
O
D. When it was purchased (year 0), the coin was worth $2.

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %