Neco Model Questions Vol1 2024 Mathematics Question 9

Practice objective / multiple choice question 9 from the 2024 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2024 Mathematics Objective / Multiple Choice Medium Difficulty
Question 9 NECO_MODEL_QUESTIONS_VOL1 • 2024 • MATHEMATICS • objective

The graph shows a piecewise function \(f(x)\): for \(0 \le x \le 4\) the graph is a straight line joining \((0,0)\) and \((4,8)\); for \(4 \le x \le 8\) the graph is a downward‑opening parabola passing through \((4,8)\) and \((8,0)\) with equation \(y = -\frac{1}{2}(x-4)^2 + 8\). Find the value of \(x\) (to two decimal places) for which the total area enclosed between the curve and the \(x\)-axis from \(x = 0\) up to that \(x\) equals \(20\) square units.

Answer Options

A. 3.75
B. 6.00
C. 5.20
Correct Answer D. 4.50
Correct Answer
D
Correct Option:
4.50

About This Question

This is Neco Model Questions Vol1 2024 Mathematics Question 9. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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