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Leni [432]
3 years ago
12

Find f(5) for f(x)= 1/9(3)^x A. 27 B. 3 C. 9 D. 81

Mathematics
1 answer:
zhuklara [117]3 years ago
7 0

Answer:

A    27

Step-by-step explanation:

f(5) means x = 5, so substitute 5 into 1/9(3)^x

f(5) = 1/9(3^5) = 1/9(243) = 27

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What is the inverse of f(x)=(x-5)^2 for x greater or equal to 5 where function g is the inverse of function f
koban [17]

Answer:


y=\sqrt{x}+5

Step-by-step explanation:


The inverse of a function, is the function or rule formed by reflecting the line over y=x. This means essentially that all (x,y) values from the original function switch to (y,x).


(x,y)--->(y,x) in the new function.


If the function has points (-3,4) and (5,-2) then the inverse has points (4,-3) and (-2, 5).


We can find the equation of the inverse by switching x and y in the equation and solving for y.

This means that y=(x-5)^2 becomes x=(y-5)^2. We now solve for y through inverse operations.

x=(y-5)^2

x=(y-5)^2\\\sqrt{x} =\sqrt{(y-5)^2} \\\sqrt{x} =y-5\\\sqrt{x} +5=y

6 0
3 years ago
Please help meee and explain specifically!!
vfiekz [6]
An isosceles triangle is when 2 angles are the same measure. an triangles angle equal to 180 degrees. therefore angle A is 80 degrees as well as angle B equals 80 degrees. since the angles of a triangle equal to 180 you subtract the two known angles to find angle C. So 180-80-80 which equals to 20.


Therefore angle C=20 degrees

6 0
3 years ago
Tariq ran a marathon, which is 26.2 miles. Before the race, he drank two 6-ounces bottles of water. During the race, he stopped
lozanna [386]

Answer

(2 + 6) + (3 + 4) + 16

-hope this helped have a good rest of your day

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A number has ........... number of factors but ........... number of multiple. ​
seraphim [82]

A number has fixed number of factors but infinite number of multiples

Ex:-

Take a number 12

It has factors 1,2,3,4,6,12

It is fixed.

But

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5 0
3 years ago
The spinner below is spun twice. What is the probability of the arrow landing on a 3 and then an odd number?
Mice21 [21]

Answer:

4/3

Step-by-step explanation:

6 0
3 years ago
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