Question

Which system of equations matches the graph below?

a. y = x2 – 1 if x < 1
y = 2x – 4 if x greater than or equal to –2

b. y = x2 – 1 if x > –1
y = 2x – 4 if x greater than or equal to –2

c. y = x2 – 1 if x < 1
y = 2x – 4 if x greater than or equal to 1

d. y = x2 – 1 if x < 0
y = 2x – 4 if x greater than or equal to –2