Which is true about the functional relationship shown in the graph? Cost of Apples
110
100
00
30
Cost ($)
50
20
10
Weight (pounds)
A. The weight of the apples is a function of their cost.
B. The weight of the apples is a function of the number of apples.
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C. The cost of the apples is a function of their weight.
D. The cost of the apples is a function of the type of apples.

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

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.

Can someone show me step by step how to do this?