f_1

Dom

Im

f_2

f_3

f_4

ℝ

[0,1)

(0,∞)

ℝ

[-2,2]

[0,2]

(-2,2)

[-0'25,∞)

f_5

(-\infty,-1)∪[2,\infty)

ℝ

f_1(x) = x^(2) / (1 + x^(2))
a_1 = true
texto1: "f(x)=" + (LaTeX[f_1]) + ""
b = false
c = false
d_{1}(x) = -Infinity < x
r_1(y) = 0 ≤ y < 1
f_2(x) = ln(x)
a_2 = false
d_2(x) = x > 0
texto2: "f(x)=" + (LaTeX[f_2]) + ""
r_2(y) = y < Infinity
f_3(x) = sqrt(4 - x^(2))
a_3 = false
d_3(x) = -2 ≤ x ≤ 2
r_3(y) = 0 ≤ y ≤ 2
f_4(x) = log(2, 2 - abs(x)) / (((x - 2) * (x + 2)))
a_4 = false
d_4(x) = -2 < x < 2
r_4(y) = -0.25 ≤ y
texto3: "f(x)=" + (LaTeX[f_3]) + ""
texto4: "f(x)=" + (LaTeX[f_4]) + ""
A = (-3.4393900323324575, 2.952342158949376)
B = (-1.1599021997383667, 2.952342158949376)
f_5(x) = If[x < -1, x + 3, If[x > 2, 1 + (x - 2)^(2)]]
a_5 = false
P_1: (-1, 2)
P_2: (2, 1)
texto9: "f(x)=" + (LaTeX[f_5]) + ""
a(x) = x ≤ -1
d(x) = x ≥ 2
e(x) = x < Infinity
f = Circle(P_1, 0.04)