a. Express f(x) in the form a(x + b) 2 + c. f(x) = 2x 2

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a. Express f(x) in the form a(x + b)² + c.

f(x) = 2x² − 8x + 5 for x ∈ ℝ, 0 ≤ x ≤ k

b. State the value of k for which the graph of y = f(x) has a line of symmetry.

c. For your value of k from part b, find the range of f .

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 09, 2023 05:43 AM

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a. Express f(x) in the form a(x + b) 2 + c. f(x) = 2x 2

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a To express fx in the form ax b2 c we need to complete the square fx 2x2 8x 5 2x2 4x 5 2x2 4x 4 4 5 ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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