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Tanya [424]
3 years ago
13

If f(x) = 1/9 x - 2, what is f-1 (x)

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
6 0

f(x) =  \frac{1}{9} x - 2 \\

f( - 1) =  \frac{1}{9} ( - 1) - 2 \\

f( - 1) =  -  \frac{1}{9}  - 2 \\

f( - 1) =  -  \frac{1}{9}  -  \frac{18}{9}  \\

f( - 1) =  -  \frac{19}{9}  \\

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kykrilka [37]

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6 0
3 years ago
A Ferris Wheel is built such that the height in feet above ground of a seat on the wheel at time t seconds can be modeled by h(t
MAVERICK [17]

Answer:

at time, t = 8 seconds and t = 24 seconds Ferris Wheel be 53 feet above the ground

Step-by-step explanation:

Data provided in the question:

height in feet above ground of a seat on the wheel at time t seconds is

modeled as

h(t) = 53 + 50\sin((\frac{\pi t}{16} - \frac{\pi}{2})

now,

at height 53 above the ground, we get the equation as:

53 = 53 + 50\sin(\frac{\pi t}{16} - \frac{\pi}{2})

or

50\sin(\frac{\pi t}{16} - \frac{\pi}{2}) = 53 - 53

or

\sin(\frac{\pi t}{16} - \frac{\pi}{2}) = 0

also,

sin(0) = 0

and,

sin(π) = 0

therefore,

(\frac{\pi t}{16} - \frac{\pi}{2}) = 0

or

\frac{\pi t}{16} = \frac{\pi}{2}

or

t = 8 seconds

and,

(\frac{\pi t}{16} - \frac{\pi}{2}) = π

or

\frac{\pi t}{16}= \pi + \frac{\pi}{2}

or

\frac{\pi t}{16}= \frac{3\pi}{2}

or

t = 24 seconds

Hence,

the at time, t = 8 seconds and t = 24 seconds Ferris Wheel be 53 feet above the ground

7 0
3 years ago
What is 63/80 as a percent?
Romashka [77]
63/80 x 100 = 78.8%

You divide normally but multiply by 100 (moving the decimal over two places).
6 0
3 years ago
Read 2 more answers
Which of these numbers is prime?<br> 25, 26, 35, 39, 43
ELEN [110]

Answer:

The only number prime is 43

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Where is the constant on here?<br><br> 12+ x - 3.7 - 8y + 1/3
SCORPION-xisa [38]
12-3.7+(1/3)=constant
259/30=constant
6 0
3 years ago
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