Question

Solve with explanation please

Answer 1

Answer:
`\boxed{(2)/(5)}`

f(3)

Put the value of x = 3 to the equation of the function

`f(x)=(4)/(5)x-2\\\\f(3)=(4)/(5)\cdot3-2=(4\cdot3)/(5)-2=(12)/(5)-(10)/(5)=(12-10)/(5)=\boxed{(2)/(5)}`