Answer:
It's choice B.
Step-by-step explanation:
Let's look the one you have chosen (A):
f(x) = x - 2/ 7 + 8
x-2 / 7 = f(x) - 8
x- 2 = 7(f(x) - 8)
x = 7(f(x) - 8) + 2
The inverse)= 7(x - 8) + 2
So it's not A.
B. f(x) = 5(x/4) - 3
5x / 4 = f(x) + 3
5x = 4(f(x) + 3)
x = 4(f(x) + 3 / 5
So the inverse is 4(x + 3) / 5
So it is B.
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Answer:
9
Step-by-step explanation:
so we know that its a right triangle and 8 and are not the hypotenuse.
the equation for this is += with c being the hypotenuse.
+=
64+17=
81=c
=c
9=c
2/3 of pizza would be the answer