Question
Solve ln 3 + ln (4x) = 4. Round your answer to the nearest hundredth.
A.
0.01
B.
0.91
C.
4.55
D.
12.90
A.
0.01
B.
0.91
C.
4.55
D.
12.90
Answers
oobleck
except for the lx part, this is just algebra I
3 + ln (4x) = 4
ln(4x) = 1
Now, get rid of the ln by doing its inverse: e^
4x = e^1
x = e/4
3 + ln (4x) = 4
ln(4x) = 1
Now, get rid of the ln by doing its inverse: e^
4x = e^1
x = e/4
:)
x=4.55