Solve the following equation for x: 1,000(x – 2) = 75,000 A. 7 B. 770 C. 7,700 D. 77
Answers
Answer 1
Answer:
1,000(x - 2) = 75,000 |divide both sides by 1,000
x - 2 = 75 |add 2 to both sides
x = 77
x - 2 = 75 |add 2 to both sides
x = 77
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what is the value of
f−1(6)
a. 0.360
b. 1.242
c. 2.161
d. 2.312
Answers
For this case we have the following function:
%20%3D%200.3%20(4)%20%5E%20x)
Rewriting we have:
%20%5E%20x)
From here, we clear the value of x:
%20%5E%20x%20%3D%20y%20%2F%200.3%20log4%20((4)%20%5E%20x)%20%3D%20log4%20(y%20%2F%200.3))
Rewriting we have:
)
Therefore, the inverse function is given by:
%20%3D%20log4%20(x%20%2F%200.3))
For x = 6 we have:
%20%3D%20log4%20(6%2F0.3)%20f%20%5E%20%7B-1%7D%20(6)%20%3D%202.161)
Answer:
is the value of f^-1(6) is:
c. 2.161
Rewriting we have:
From here, we clear the value of x:
Rewriting we have:
Therefore, the inverse function is given by:
For x = 6 we have:
Answer:
is the value of f^-1(6) is:
c. 2.161
f(x)=0.3(4)^x
f^-1(x) = ?
x = 0.3(4)^y
4^y = x/0.3
4^y = 6/0.3
4^y = 20
y = 2.161