Doubt....

MATCHING

(A)Let f : [-1,âˆž) ---> (0,âˆž) defined by f(x) = e^{x²+l x l} , then f(x) is

(B)Let f: (1,âˆž)---> [3,âˆž) defined by f(x) = √10 - 2x + x² then f(x) is

(P)One-one

(Q)into

(R)many one

(S) onto

(T)periodic

5 Answers

I think the below is the ans

(A) S R

(B) R S

(D) P S

try for f(x+1) = f(x) for x<0

It's periodic?/

what abt other options r they correct

Is my soln correct now? (1st option edited)

EDITED

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω