Question

If f(x) = ax + b, f(2) = 13 and f(-1) = 1, then find the value of a and b.
FAST

Answer 1

Step-by-step explanation:

f(x) = ax + b

f(2) = a(2) + b=13

2a+b=13------->I

f(-1) = a(-1)+ b, =1

-a+b=1---------->II

I-II

3a=12

a=4

from II

-4+b=1

b=5

so a=4, b=5

Answer 2

Answer:

value of a can be 12 and b be 11 not sure though sorry i am wrong