Please help me on these questions!!! Also, show your work so I can see how you did it so that I can learn how to do this stuff t
oo!!!!! Lots of points if you help me on all of these questions!! Brainliest if you help me understand!!!
1 answer:
<u>Answer: B: Y + 5 = 2x </u>
Step-by-step explanation:
<em>I will provide you a graphed image below.</em>
1) Plug In the numbers using an online graph; preferably desmos
As you can see the purple line which is ( y + 5 = 2x ) passes through point
( 0,-5 ) as well as slope 2 ( blue line ).
I know that Y + 5 = 2x is the correct answer by plugging in all of the other equations given to me, Y + 5 = 2x is the only one that was correct.
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Answer:
Given functions,
Since, by the compositions of functions,
1. (g◦f)(x) = g(f(x))
Since, (g◦f) is defined,
If 3 - x² ≥ 0
⇒ 3 ≥ x²
⇒ -√3 ≤ x ≤ √3
Thus, Domain = [-√3, √3]
2. (f◦g)(x) = f(g(x))
Since, (g◦f) is defined,
If x ≥ 0
Thus, Domain = [0, ∞)
3. (f◦f)(x) = f(f(x))
Since, (f◦f) is a polynomial,
We know that,
A polynomial is defined for all real value of x,
Thus, Domain = (-∞, ∞)