tmua 2020 Q6

tmua · Uk · paper1 1 marks Exponential Functions MCQ on Function Properties
Find the maximum value of the function
$$\mathrm{f}(x) = \frac{1}{5^{2x} - 4(5^x) + 7}$$
A $\frac{1}{7}$
B $\frac{1}{4}$
C $\frac{1}{3}$
D $3$
E $4$
F $7$
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Find the maximum value of the function

$$\mathrm{f}(x) = \frac{1}{5^{2x} - 4(5^x) + 7}$$

A $\frac{1}{7}$

B $\frac{1}{4}$

C $\frac{1}{3}$

D $3$

E $4$

F $7$