Answer:
f^-1(x) = (x/8)^(1/5) is a function
Step-by-step explanation:
The inverse of a function is the function reflected across the line y=x. This results in the coordinate points (x,y) of the function becoming (y,x) for the inverse function. Algebraically to find the inverse, switch the x and y locations and solve for y.
y = 8x^5
x = 8y^5
x/8 = y^5
(5)√(x/8) = y
This is a fifth root of (x/7) also written in exponents as y = (x/8)^(1/5).
This is a function. While it appears not to be a function because the middle portion over the origin appears vertical, it is a function because the middle portion over the origin is changing and graphing software shows it has no input with more than one output. Without graphing software you would rule it is not a function.
why does maths have to be confusing
24/40 multiplicado por 2 y 6/10 dividiendo entre 2 las dos son equivalentes
Answer:
45
Step-by-step explanation:
4.50 × 10 =45!
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Answer:
7. 8200 miles
8. $350
Step-by-step explanation:
7. The first trip nets 3400 miles; the next four trips (for a total of five) net 1200 miles each, so the total for 5 round trips is ...
... 3400 + 4×1200 = 8200 . . . miles
8. The first month costs $100; the next 5 months (for a total of 6) cost $50 each, so the total for 6 months is ...
... $100 + 5×$50 = $350
