Section 7.1
The domain of all logarithmic functions
what is {x|x>0, xeR}
log7 343 = 3 as an exponential
3 log 7 as a single logarithm
what is log 343
Solve for x: 3x = 7
what is 1.77
this type of regression models a functions that increased rapidly at the start, and slows down over time
what is logarithmic
The a value of an increasing logarithmic function
what is a > 0
62 = 36 as a logarithm
what is log6 36 = 2
log 3 + log 2 as a single logaritim
what is log 6
solve: 2x+1 = 3
what is 0.585
this type of regression starts off slow, and increases very rapidly
what is exponential
The base of ln x
what is e
What is the pH of a solution if x = 0.0001995
Recall: pH = -log x
what is 3.7
simplify 1/2 log 16
what is log 4
solve: 4(3x) = 24
what is 0.815
a logarithmic regression is given by the equation:
y = 72.856 + 54.32 ln x
determine the values of a and b
what is a = 72.856
b = 54.32
A logarithmic function that goes from Q2 - Q1 has a ____ a value
Evaluate: log1/2 512
what is x = -9
What is 3
the value of log4 27
what is 2.378
a logarithmic regression was performed on a calculator yielding the following values:
a=3578
b=-8076
what is the equation of the regression function
what is y = 3578 - 8076 ln x
Predict the x-intercept, y-intercept, domain, range, end behavior for the function y = -7 ln x
What is (1,0), None, x>0, y e R, Q4 - Q1
The sound level of a gasoline car idling is 60 dB, what i the intensity of the sound waves, in W/m2
Recall: B = 10(log I + 12)
10-6 or 0.000001 W/m2
2 log A - log B + log C as a single logarithm
what is log (A2C/B)
If the equation for radioactive decay is A = A0 (1/2)t/15 and the initial amount is 300 mg, and t represent time in years, how long will it take to decay to 100?
what is 23.8 years
A logarithmic regression of a set of data yielded the function: y = 48.76 - 8.357 ln x
find x when y = 10
what is 2.85