Two linear functions, f and g, have the same y-intercept. Function f has a slope that is half the slope of function g.
Which of the following is not true?
A. The functions have the same rate of change.
B. The functions cross the y-axis at the same point.
C. Function g has a greater rate of change than function f.
D. The graphs of both functions are straight lines.

Question

Two linear functions, f and g, have the same y-intercept. Function f has a slope that is half the slope of function g.
Which of the following is not true?
A. The functions have the same rate of change.
B. The functions cross the y-axis at the same point.
C. Function g has a greater rate of change than function f.
D. The graphs of both functions are straight lines.

anonymous · Answer

If they have the y-intercept, this means that they will have to cross the y-axis at the same point. This is the definition of y-intercept.

anonymous · Answer

The table shows the relationship between the number of laps that Mary ran and the time, in minutes, that she spent running.

          Running Times
Number of Laps	Time (in minutes)
1	2
3	8
5	14
8	23
Which of these best describes this relationship?
A. nonlinear
B. linear
C. directly proportional
D. inversely proportional