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Mathematics

Grade10

Easy

Question

An exponential function is related to a geometric sequence $a subscript n end subscript equals 6 open parentheses 5 close parentheses to the power of n minus 1 end exponent$ . Find the initial value of the exponential function.

$\frac{1}{3}$
$\frac{3}{2}$
2
6

hint Hint:

Using the explicit formula, $a subscript n end subscript equals a subscript 1 end subscript cross times open parentheses r close parentheses to the power of n minus 1 end exponent$ , $a subscript 1$ is the first term

The correct answer is: 6

The exponential function can be written as a geometric sequence with the first term and constant ratio using the explicit formula.

The initial value of the given exponential function is 6.

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