Answer:
domain of the function are x, 1, 2, 3 and range are 6x-26, -20, -14, -8
Step-by-step explanation:
f(x)=3(x-5)2+4
=(3x-15)2+4
=6x-30+4
=6x-26
if the value of x is 1
f(1)=6×1-26
=-20
if value of x is 2
f(2)=6×2-26
=-14
if the value of x is 3
f(3)=6×3-26
=-8
