diketahui f(-2)=-4,f(3)=11 dan f(x)=mx+n.hasil dari m^2-n^2

jawab

fungsi linier

f(x) = mx + n
f(-2) = - 4
f(3) =  11......(-)
(-2 - 3)m = - 4 - 11
- 5m   = - 15
m = 3

f(3)  = 11
n = 11 - 3m
n = 11- 3(3) = 11 - 9
n = 2

m² - n² = 3² - 2² = 5