Question

Calculate slope of 4x^2-2x+1 at x=2?
Explain clearly​

Answer 1

Answer:

6.5

Explanation:

Let y = 4x^2-2x+1

For x =2, y = 4 × 2^2 - 2 × 2 + 1

---> y = 13.

Slope = (y2 - y1) / (x2 - x1)

---> for x1 and y1 = 0,

Slope = 13/2 = 6.5

Clear enough?

Answer 2

Refers to the attachment...