Question

F(x) = (sqrt(12x + 1))/(4x - 7), thenf * (1/4) =

Answer 1

Explanation:

f(x)=
`(√(12x+1) )/(4x-7)`

f(
`(1)/(4)`)=
`\frac{\sqrt{12*(1)/(4)+1 } }{4*(1)/(4)-7 }`

f(
`(1)/(4)`)=
`(√(3+1) )/(1-7)`

f(
`(1)/(4)`)=
`(√(4) )/(-6)`

f(
`(1)/(4)`)=
`(2)/(-6)`

∴f(
`(1)/(4)`)=
`(-1)/(3)`