Which number line model represents the expression -4+7.5?
1 answer:
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Given:
The equation of the curve is:
To find:
The gradient (slope) of the given curve at point (2,7).
Solution:
We have,
Differentiate the given equation with respect to x.
Now we need to find the value of this derivative at (2,7).
Therefore, the gradient (slope) of the given curve at point (2,7) is 19.
When x is zero there will never be an interception of the line as x=0 is an asymtope
