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The slope of the tangent to the curve y = 3x\(^2\) - 2x + 5...

Mathematics
JAMB 2002

The slope of the tangent to the curve y = 3x\(^2\) - 2x + 5 at the point (1, 6) is

  • A. 4
  • B. 1
  • C. 6
  • D. 5
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Correct Answer: Option A
Explanation

y = 3x\(^2\) - 2x + 5

Slope = \(\frac{\mathrm d y}{\mathrm d x} = 6x - 2\)

At x = 1,

Slope : 6(1) - 2 = 4.

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