Question

If f(x) = ax+b and f(0)=3,f(2)=5 and find the value of a and b.
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Answer 1

Answer:

f(x) = ax + b

f(0) = a(0) + b

3 = 0+b

3=b

f(x)= ax + b

f(2) = a(2) + b

5 = 2a + 3 (( b= 3))

5-3 =2a

2 = 2a

2/2 = a

1 = a

a=1