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Lelu [443]
3 years ago
6

Describe the vertical line test.

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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☕️Easy points for those who are good at math☕️
Eddi Din [679]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Let $f(x)$ be a function defined for all positive real numbers satisfying the conditions $f(x) > 0$ for all $x > 0$ and $f
algol [13]
Suppose we choose x=1 and y=\dfrac12. Then

f(x-y)=\sqrt{f(xy)+1}\implies f\left(\dfrac12\right)=\sqrt{f\left(\dfrac12\right)+1}\implies f\left(\dfrac12\right)=\dfrac{1+\sqrt5}2


Now suppose we choose x,y such that

\begin{cases}x-y=\dfrac12\\\\xy=2009\end{cases}


where we pick the solution for this system such that x>y>0. Then we find

\dfrac{1+\sqrt5}2=\sqrt{f(2009)+1}\implies f(2009)=\dfrac{1+\sqrt5}2

Note that you can always find a solution to the system above that satisfies x>y>0 as long as x>\dfrac12. What this means is that you can always find the value of f(x) as a (constant) function of f\left(\dfrac12\right).
3 0
3 years ago
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One angle of a right triangle measures 8°. What is the measure of the other acute angle?
Ivahew [28]

Answer:

  82°

Step-by-step explanation:

The acute angles in a right triangle are complementary. The other one is ...

  90° -8° = 82°

5 0
2 years ago
What is the point of intersection when the system of equations below is graphed on the coordinate plane?
olya-2409 [2.1K]

Answer:

I.M.S. infinite many solutions

Step-by-step explanation:

this will come out to be the same line.

6 0
3 years ago
Will mark brainlist if right 15 pts
aleksley [76]

Answer:

g(x)=x-1\\g(f(x))=(-2x-5)-1\\g(f(x)=-2x-6

Step-by-step explanation:

So this is a composition of functions.  Think back to solutions of equations.  You would have to put the equation into the other equations.  It's like this!

So I graphed it like this on desmos:

g(x)=x-1\\g(f(x))=(-2x-5)-1\\g(f(x)=-2x-6

3 0
2 years ago
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