f(x) = 5 - 7x - 2x 2 for x R a. Write f(x) in the
Question:
f(x) = 5 - 7x - 2x2 for x ∈ R
a. Write f(x) in the form p - 2(x - q)2, where p and q are constants to be found.
b. Write down the range of the function f(x).
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a The question requires us to rewrite fx 5 7x 2x 2 in the form p 2x q 2 One way to do this is to first expand p 2x q 2 and then equate the coefficients of different powers of x in this expanded form w...View the full answer
Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
Question Posted:
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