1. (2 points) The starship Enterprise just picked up a strange creature called a tribble.
1 answer:
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Answer:
The only pair of functions that are inverses of each other are the ones for option D.
Step-by-step explanation:
Two functions, f(x) and g(x), are inverses if and only if:
f( g(x) ) = x
g( f(x) ) = x
So we need to check that with all the given options.
A)
then:
This is clearly different than x, so f(x) and g(x) are not inverses.
B)
Then:
This is different than x, so f(x) and g(x) are not inverses.
C)
Then:
Obviously, this is different than x, so f(x) and g(x) are not inverses.
D)
Then:
In this case we can conclude that f(x) and g(x) are inverses of each other.
<u>Answers </u>
focus: (0, )
directrix: x =
AOS: y = 0
<u>Step-by-step explanation:</u>
11x = y²
x = y²
x = (y - 0)² + 0
Vertex: (0, 0)
Axis of symmetry: y = 0
Focus: a =
4p = 11
p = so, focus is: (0,
)
Directrix: -p = so, directrix is: x =