Question

Me ajude por favor!!!!

Answer 1

a) f(x) = ax + b

f(0) = -1 -> b = -1

f(1) = 3

a - 1 = 3

a = 4

f(x) = 4x -1

b) f(2) = -2

f(1) = 1

2a + b = -2

a + b = 1

a = 1-b

2(1 - b) + b = -2

2 -2b + b = -2

-b = -4

b = 4

a = 1 - 4

a = -3

y = -3x + 4