
<h2>
Explanation:</h2>
The explicit formula for the general nth term of the arithmetic sequence is given by:

Here we know that:

So, our goal is to find the common difference substituting into the formula:

Finally, we can write the explicit formula as:

<h2>Learn more:</h2>
Geometric series: brainly.com/question/1509142
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Answer:
It is just x for both of them
Step-by-step explanation:
A variable by itself is counted as one and 1 x 1 x 1 x 1 x 1 = 1 so its just x its the same for x^7
Answer:

Step-by-step explanation:
Set g(x)=y
y=-2/5x+3
5y=-2x+3
2x=3-5y
x=3-5y/2
So g^-1(x)=

I'd say its D but im not quite sure, its what makes most sense to me.