a) f(5x) = -(5x)^2 + 3 = -25x^2 + 3б) f(x-2) = -(x - 2)^2 + 3 = -x^2 + 4x - 1c) f(7-x) = -(7 - x)^2 + 3 = -x^2 + 14x + 44д) f(2x+3) = -(2x + 3)^2 + 3 = -4x^2 - 12x + 6
a) f(5x) = -(5x)^2 + 3 = -25x^2 + 3
б) f(x-2) = -(x - 2)^2 + 3 = -x^2 + 4x - 1
c) f(7-x) = -(7 - x)^2 + 3 = -x^2 + 14x + 44
д) f(2x+3) = -(2x + 3)^2 + 3 = -4x^2 - 12x + 6