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Post-UTME Mathematics 2008 Objective — Question 13

Question 13 of 16 from the Post-UTME Screening (Post-UTME) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

For what value of x is the tangent to the curve y=x²-4x+3 parallel to the x-axis?

A. 3
B. 2Correct
C. 1
D. 0

Explanation

dy/dx=2x-4=0 gives x=2.

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