Question

F(x)=1/3x4x^ How do I find F(4)

Answer 1

Assuming yo meant
f(x)=(1/3)4x²


sub 4 for x
f(4)=(1/3)4(4)²
f(4)=(1/3)4(16)
f(4)=(1/3)64
f(4)=64/3