What is the maximum value of `2-4x-x^2`

The maximum value of 2-3x-4x^2

Find the maximum value of 13-4x-x^(2)

What is the maximum value of f(x)=3-(x-2)^(2) ?

If f(x) = |(1+sin^(2)x,cos^(2)x,4 sin 2x),(sin^(2)x,1+cos^(2)x,4 sin 2x),(sin^(2)x,cos^(2)x,1+4 sin 2x)| What is the maximum value of f(x)?

The maximum value of 4x-x^2-2 is-

what is the maximum value of sin2x cos2x?

What is maximum value of sin^(2)x

If f(x)=[[1+sin^2x,cos^2x,4sin2x],[sin^2x,1+cos^2x,4sin2x],[sin^2x,cos^2x,1+4sin2x]] what is the maximum value of f(x).

If f(x)=" min "(4x+3, x+4)" for "x in [0, 2] , what is the maximum value of f(x) ?