Asked by lisa

What is the best estimate of the instantaneous rate of change for the function f(x) = x at the point of (-2, -2)?
1. 1/2
2. 2
3. 1
4. x
Answered by oobleck
recall the slope-intercept form for this line.
y = 1x + 0
Answered by lisa
so is it X ?
Answered by oobleck
No, it is 1

In y=mx+b the slope is m and the y-intercept is b.

Better review this some more.
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