Question

Can someone please write an equation for each graph? PLEASE HELP

Answer 1

Answer:

Step-by-step explanation:

I used the following points.

x           y

-10        -1

-5         -1

-1           0

0           1

1            3

2           7

3           15

From which I think the graph turns out to be y = 2^(x + 1) - 1

-6         2

0          5

1           8

2         14

From which I get y = 3*2^x + 2

You may say to me that's all well and good, but how did you do it? You have to take a few wild guesses. It also helps to know where the question came from. What were you studying when the graphs were assigned?

I don't think there is a magic bullet for figuring these out. You just have to keep on trying until you get it.

One thing is certain. You should work on the y intercept (5) and the distance above or below the x axis. The distance above the x axis is 2 which means that c = 2.

y = a*b^x + c

c is the constant above or below the x axis. You need only read the graph to get the result. a is the hardest to find, but it will be just slightly easier when you let x = 0.

a + c = 5  Since c = 2  a must be 3