tmua 2019 Q13

tmua · Uk · paper1 1 marks Stationary points and optimisation Find absolute extrema on a closed interval or domain

Find the maximum value of
$$4^{\sin x} - 4 \times 2^{\sin x} + \frac{17}{4}$$
for real $x$.

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Find the maximum value of

$$4^{\sin x} - 4 \times 2^{\sin x} + \frac{17}{4}$$

for real $x$.