Question

胖達

請問第五題怎麼算？
謝謝

(xp y
(x2, y2)
Finding the Slope of a Tangent Line
Exercises 3–5, find the slope of the tangent line
the graph of the function at the given point.
4. f(x) = 2x2 – 3, (2, 5)
3. f(x) = 3 – 5x, (-1,8)
5. h(t) = 12 + 4t, (1,5)
Finding the Derivative by the Limit Process I
Exercises 6–10, find the derivative of the function by the li
process.

Answer 1

Benz

m=h'(1)

胖達

但是答案好像是3？