Question

If f(x) = 4x-x², find
square root f(3/2)

Answer 1

`(√(15) )/(2)`

Explanation:

`\sqrt{f((3)/(2) )` , substitute
`(3)/(2)` to x

`f((3)/(2) )=4((3)/(2) )-((3)/(2) )^2` =
`(15)/(4)` or 3.75

`\sqrt{f((3)/(2) )`=
`√(3.75)` =
`(√(15) )/(2)`