Question

if f(x) is a linear func. such that f(2)=5 & f(4)=13, f(x)=

Answer 1

linear function mean ax+b

Answer 2

f(x)=ax+b

Answer 3

to find a and b u r given f(2) and f(4)

Answer 4

put x=2

Answer 5

f(2)=5=a*2+b

Answer 6

5=2a+b

Answer 7

f(4)=13=a*4+b

Answer 8

13=4a+b

Answer 9

can u solve these two equation