Question

Which graph represents the same relation as the table below?

x
f(x)
–2
5
0
1
1
–1
2
–3


mc016-1.jpg

mc016-2.jpg

mc016-3.jpg

mc016-4.jpg

Answer 1

Answer:

f(x) = 1 -2x

Step-by-step explanation:

–2 5

0 1

1 –1  

2 –3

y = mx + c

m = (y2 -y1)/(x2-x1)

m = (5-1)/(-2-0)

m = 4/-2

m = -2

y = -2x + c

5 = (-2)(-2) + c

c = 1

y = -2x + 1

x = -2. y = 5

x = -1. y = 3

x = 0. y = 1

x = 1. y = -1

x=2. y = -3

f(x) = 1 -2x