JAMB Mathematics 2020 Objective — Question 2
Question 2 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2020 Objective paper, with the correct answer and a full explanation.
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If a function is defined by f(x+1) = 3x^2 - x + 4, find f(0).
- A. 0
- B. 2
- C. 6
- D. 8Correct
Explanation
f(x+1) = 3x^2-x+4. x+1=0, x=-1. Then f(-1) = 3(-1)^2-(-1)+4 = 3+1+4 = 8.
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