I need help with this please! I want someone to go through the steps with me, not tell me the answer. Thanks~! ^_^

Three Algebra 1 students are comparing how fast their social media posts have spread. Their results are shown in the following table.

1. Write an exponential function to represent the spread of Ben's social media post.

Question

I need help with this please! I want someone to go through the steps with me, not tell me the answer. Thanks~! ^_^

Three Algebra 1 students are comparing how fast their social media posts have spread. Their results are shown in the following table.

1. Write an exponential function to represent the spread of Ben's social media post.

yato_gami · Answer

attachment

yato_gami · Answer

@zepdrix Hi! Can you help me please?

yato_gami · Answer

This is the entire question. I have 1, 2, and 4 done but I need help on the other ones

yato_gami · Answer

For 1. Write an exponential function to represent the spread of Ben's social media post, I got

$$f(x) = 2(3)^{x}$$

yato_gami · Answer

For 2. Write an exponential function to represent the spread of Carter's social media post. I got 

$$f(x)= 10(2)^{x}$$

yato_gami · Answer

@Directrix can you help me?

yato_gami · Answer

@ShadowLegendX

zepdrix · Answer

Mmmm ya 1 and 2 look correct.

zepdrix · Answer

|dw:1480674967799:dw|

zepdrix · Answer

Hmm some of the graphs blow up very quickly.
Need to find a good scale for the y-axis.

zepdrix · Answer

|dw:1480675256915:dw|I tried counting by 2's but that didn't get us high enough.
I think we'll need to count by 3's like this.

We can stretch out our x-axis like this, will probably look nicer.