we say that the function isn't one to one when we prove that
Anonymous Quiz
53%
x1 ≠ x2 ⇒ f(x1) = f(x2)
13%
x1 = x2 ⇒ f(x1) = f(x2)
34%
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
we say that the function is one to one when we prove that
Anonymous Quiz
78%
x1 = x2 ⇒ f(x1) = f(x2)
19%
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
4%
x1 = x2 ⇒ f(x1) ≠ f(x2)
علشان نثبت ان الدالة one to one ممكن بطريقتين
f(x1) = f(x2) ⇒ x1=x2
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
علشان نثبت ان الدالة مش one to one
x1 ≠ x2 ⇒ f(x1) = f(x2)
f(x1) = f(x2) ⇒ x1=x2
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
علشان نثبت ان الدالة مش one to one
x1 ≠ x2 ⇒ f(x1) = f(x2)
Z = Z' U 0 U Z+
(العلامة دي ' أقصد بيها الأس السالب ودي (+Z)أقصد بيها Z الموجبة )
(العلامة دي ' أقصد بيها الأس السالب ودي (+Z)أقصد بيها Z الموجبة )
Anonymous Quiz
74%
T
26%
F
-f(x) = f(-x)
f is
f is
Anonymous Quiz
15%
even function
74%
odd function
7%
neither even nor odd
4%
All of the above
f(x) = f(-x)
f is
f is
Anonymous Quiz
91%
even function
5%
odd function
3%
neither even nor odd
1%
All of the above
-f(x) ≠ f(-x) and
f(x) ≠ f(-x)
f(x) ≠ f(-x)
Anonymous Quiz
4%
even function
7%
odd function
88%
neither even nor odd
2%
All of the above
The product of an even function and an odd function is
Anonymous Quiz
28%
even
56%
odd
14%
neither
2%
can't say