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inna [77]
2 years ago
8

Guys pls help

Mathematics
1 answer:
STatiana [176]2 years ago
7 0

Answer:

Algebraically, f is even if and only if f(-x) = f(x) for all x in the domain of f. A function f is odd if the graph of f is symmetric with respect to the origin. Algebraically, f is odd if and only if f(-x) = -f(x) for all x in the domain of f   brainliest ?

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(a+b)²-4ab=<br>please help me for my exam​
Colt1911 [192]

Answer:

\huge \boxed{ \boxed{(a  -  {b)}^{2} } }

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
<h3>tips and formulas:</h3>
  • algebraic identity:(a-b)²=(a+b)²-4ab
<h3>let's solve:</h3>

therefore

using the identity our answer is (a-b)²

let's prove it

  1. (a-b)²:a²-2ab+b²
  2. rewrite -2ab as 2ab-4ab:a²+b²+2ab-4ab
  3. use (a+b)²=a²+2ab+c²:(a+b)²-4ab

therefore

we have also proven that

8 0
2 years ago
What is the measure of ∠DBE?
Juliette [100K]

Answer:

63 degree

Step-by-step explanation:

4 0
2 years ago
I don’t understand this
MatroZZZ [7]

Answer:

your just finding area so

1.5×2.5=

1.5×1.5/2=

1.5×2.5=

I will put the answers in the comments I need to use a calculator

7 0
3 years ago
Read 2 more answers
Determine whether f(x) = 5x+1/x and g(x)= x/ 5x+1 are inverse functions explain how you know. please explain in steps or worded
Len [333]

Hello from MrBillDoesMath!

Answer:

No


Discussion:

If the functions are inverses, then f(g(x)) = x  for appropriate x. Consider x = 1.

g(1) = 1/ (5(1) + 1) = 1/6

f(g(1)) = f (1/6) =  5(1/6) + 1/ (1/6) = 5/6 + 6 = 6 5/6   <> 1

Conclusion: f(g(1)) <> 1 so the functions are not inverses


Thank you,

MrB

7 0
3 years ago
Eleven less than five times a number is twenty four?
Vedmedyk [2.9K]
The answer is 7, hope it’s right
7 0
3 years ago
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