9 A curve has equation \(y = \frac { 2 x + 3 } { 4 x ^ { 2 } + 7 }\)
9
- Find \(\frac { \mathrm { d } y } { \mathrm {~d} x }\)
[0pt]
[2 marks]
L
L
LL
LU
L
LL
9
- (ii) Hence show that \(y\) is increasing when \(4 x ^ { 2 } + 12 x - 7 < 0\)
[0pt]
[4 marks]
9 - Find the values of \(x\) for which \(y\) is increasing.
[0pt]
[2 marks]
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