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October november 2011 paper 13 9709
can someone explain this ?
Functions f and g are defined by
f : x → 2x + 3 for x ≤ 0,
g : x → x^2 − 6x for x ≤ 3.
Find the set of values of x which satisfy gf(x) ≤ 16.
can someone explain this ?
Functions f and g are defined by
f : x → 2x + 3 for x ≤ 0,
g : x → x^2 − 6x for x ≤ 3.
Find the set of values of x which satisfy gf(x) ≤ 16.