Question

Please help figure out the function rule. Medal Awarded:
x,y = 1,7; 2,29; 3,133; 4,641; 5,3157. Thanks.

Answer 1

I haven't finished it yet, but it looks like it will probably be some kind of power.

Answer 2

They said it was expontential

Answer 3

3*1^3 +5 = 7
3*2^3 + 5 = 29

Answer 4

But that doesn't work for x=3

Answer 5

But I think it is something similar

Answer 6

Here are the answers they said it was:

a^x + b^x = y

Answer 7

Oh, ok.

Answer 8

I have no idea..... : 0+7, 1+6, 2+5, 3+4,

Answer 9

Using the form you gave, we need to pick numbers for a and b, that when we plug in 1 for x, we get 7 for y.

Answer 10

If we make a=3 and b=4, the formula works when x=1\[3^{1}+4^{1}=7\]

Answer 11

But that form doesn't work for x=2\[3^{2}+4^{2}=25\]

Answer 12

We needed it to be 29, so we need to pick difference numbers for a and b.

Answer 13

Does that make sense so far?