Punjab PSEB Senior Secondary Drawing And Painting Practice Questions - Punjab School Education Board (PSEB) Senior Secondary Drawing And Painting (Class 12) Exam

Let f: ℝ → ℝ be given by f(x) = 2x + 7. Then f is:

Onto but not one-one One-one and onto Neither one-one nor onto One-one but not onto

Correct Answer:

One-one and onto

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