Which relation is a function of x? х y
-1 7
2 -9
2 8
39 -4
Х
-5
-5
A.
B.
1
7
-9
2
-5
-5
C.
х
-8
-8
1
1
y у
-9
2
-9
2
D.
х
-3
-2
4
7
y
--1
5
0
-1

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.