數學與統計
大學
已解決
計算給定函數的導數，並找到與指定值的圖形相切的直線的方程。第21題不會算。
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In Exercises 13 through 24, compute the derivative of
the given function and find the equation of the line that
is tangent to its graph for the specified value x = c.
13. f(x) = 2; c = 13
x
14. f(x) = 3; c = -4
15. f(x) = 7 - 2x; c = 5 16. f(x) = 3x; c = 1
17. f(x) = x; c = 1
18. f(x) = 2 - 3x?; c = 1
-2
19. f(x) =
3
;c = -1 20. f(x)
3
2
2XUD
21. f(x) = 2Vx; c = 4
22. f(x)
1
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2.
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x
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