The function $f(x) = x^2-bx+1$ is increa - CUETMOCK

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Home Questions XEXQ9KWNAQ

Target Exam

CUET

Subject

-- Mathematics - Section A

Chapter

Relations and Functions

Question:

The function $f(x) = x^2-bx+1$ is increasing in the interval [1, 2], then the least value of b is:

Options:

5

0

-2

-4

Correct Answer:

-2

Explanation:

The correct answer is Option (3) → -2

CUET Questions