Question

let f ={(-1,3),(0,-1),(2,-9)}be a linear function form ZintoZ.find f(x)​

Answer 1

Step-by-step explanation:

is a livear function

Let f(x)=ax+b; Now, f(−1)=3,f(0)=−1

1 3=−a+b----1

and −1=a(0)+b⇒b=−1

= a = b-3 = -4 = fx = -4x - 1