Question

Dada a função f (x) =(ax+2),determine o valor de a para quese tenha F(4)=22

Answer 1

a.4 + 2 = 22
4a =22 - 2
a= 20/ 4 = 5

a+ 5

Answer 2

f(x)=ax+2
f(4)=22
22 = a.4+2
22=4a+2
22-2=4a
20=4a
4a=20
a=20/4
a=5