Let f(x) = x2 - 2x + 2 be a continuous function defined on x ∈ [1, 3]. The point x at which the tangent of f(x) becomes parallel to the straight line joining f(1) and f(3) is

Let f(x) = x2 - 2x + 2 be a continuous function defined on x ∈ [1,

1.	Let f(x) = x2 - 2x + 2 be a continuous function defined on x ∈ [1, 3]. The point x at which the tangent of f(x) becomes parallel to the straight line joining f(1) and f(3) is
A.	3
B.	0
C.	2
D.	1
Answer» D. 1

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Let f(x) = x2 - 2x + 2 be a continuous function defined on x ∈ [1, 3]. The point x at which the tangent of f(x) becomes parallel to the straight line joining f(1) and f(3) is

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