Question

If y = x² +1, then find slope at x =1.
(A) 1
(B) 2
(C) 3
(D) 4​

Answer 1

Answer:

3

Explanation:

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Answer 2

$\huge\red{ANSWER:}$

y = x² +1

slope = dy/dx

dy/dx = d(x² +1)/dx

dy/dx = 2x

at x = 1

dy/dx = 2x

dy/dx = 2(1)

dy/dx = 2