Consider the given functions.

which statement about the functions is true?

a.
functions 1 and 3 have the same rate of change, but function 1 has a greater y-intercept.
b.
functions 2 and 3 have the same y-intercept and the same rate of change.
c.
functions 1 and 3 are both decreasing, but function 1 is decreasing at a slower rate.
d.
functions 2 and 3 are both increasing, but function 3 is increasing at a faster rate.