Question

If a function f(x) is given as f(x) = x² – 6x + 4 for all x ∈ R, then f(–3) = ______.

पर्याय

• 31

• 13

• 12

• 18

Answer 1

If a function f(x) is given as f(x) = x² – 6x + 4 for all x ∈ R, then f(–3) = 31.

Explanation:

f(x) = x² – 6x + 4

⇒ f(–3) = (–3)² – 6(–3) + 4

= 31