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College algebra!

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For the linear function
f(x) = 5x + 3
(a) Determine the slope and y-intercept
(b) Use the slope and y-intercept to graph the linear function.
(c) Determine the average rate of change of the function
(d) Determine whether the linear function is increasing, decreasing, or constant.

  • College algebra! -

    a) by the "just look at it" theorem
    slope = 5, y-intercept is 3

    b) can't graph on here
    c) average rate of change = slope = 5
    d) the slope is positive, so the function is increasing

    college algebra ?? mmmhh.

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