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galina1969 [7]
3 years ago
15

1. Graph the six terms of a finite series where a1 = 5 and r = 1.25.

Mathematics
2 answers:
leva [86]3 years ago
8 0

Step-by-step explanation:

This series is in Geometric Progression, with initial term, a₁, as 5 and common ratio, r, as 1.25

Geometric growth can be represent by exponential growth function. Exponential growth for this scenario will be,

f(n)=a_1(r)^{n-1}

Putting values of n, we get the series as

=5,6.25,7.81,9.77,12.21,15.26

So the points on the graph will be,

\left(1,5\right),\left(2,6.25\right),\left(3,7.81\right),\left(4,9.77\right),\left(5,12.21\right),\left(6,15.26\right)

The graph is attached below.


rodikova [14]3 years ago
3 0
For the answer to the question above, asking to g<span>raph the six terms of a finite series where a1 = 5 and r = 1.25.
I'll provide the answer with the solutions below.
</span>a1 = 5 
<span>a2 = 5*r = 5*(5/4) = 25/4 </span>
<span>a3 = 5*r² = 5*(5/4)² = 125/16 </span>
<span>a4 = 5*r³ = 5*(5/4)³ = 625/256 </span>
<span>a5 = 5*r⁴ = 5*(5/4)⁴ = 3125/1024
</span>I hope this helps
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