TMUA 2020 Paper 1 Q8 — Worked Solution

P1·Functions, Transformations & Graphs, Inequalities·6.0Official · 2020 · Q8

maximum-of-quadraticcompleting-the-squareparameter-inequality

The function

f

is defined for all real

x

f (x) = (p - x) (x + 2) .

Find the complete set of values of

p

for which the maximum value of

f (x)

is less than

4

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