In air, the speed of sound s in meters per second,
is a linear function of the air temperature t, in
* degrees celsius, and is given by (t" 0.6t + 331.4.
which of the following stateinents is the best
interpretation of the number 331.4 in this context?
400
60
4) the speed of sound, in nieters per second,
s
u
b) the speed of sound, in meters per second,
at 0.6°c
c) the increase in the speed of sound, in meters per
second, that corresponds to an increase of 1°c
d) the increase in the speed of sound, in meters per
second, that corresponds to an increase of 0.6°c

The equation shown below represents function f. f(x)= -2x+5 the graph shown below represents function g. which of the following statements is true? a. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is less than the y-intercept of function g. b. over the interval [2, 4], the average rate of change of f is greater than the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. c. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. d. over the interval [2, 4], the average rate of change of f is less than the average rate of change of g. the y-intercept of function f is the same as the y-intercept of function g.