Asked by Anonymous
What is the rule for the function shown in the table?
x: -1 | 0 | 1 | 2
y: -2 | 1 | 4 | 7
A. y= 1/3x + 1
B. y=3x + 1
C. y= 1/3x
D. y= 1/3x + 1
Will someone please help and explain how I can work this out. I have trouble with these.
x: -1 | 0 | 1 | 2
y: -2 | 1 | 4 | 7
A. y= 1/3x + 1
B. y=3x + 1
C. y= 1/3x
D. y= 1/3x + 1
Will someone please help and explain how I can work this out. I have trouble with these.
Answers
Steve
note that y grows by 3 when x grows by 1. That means you can start with
y = 3x
But since y(0)=1 instead of 3*0=0,
y = 3x+1
y = 3x
But since y(0)=1 instead of 3*0=0,
y = 3x+1
bat
you better be right