Problem 94
In Exercises 89–102, determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement. ln(x + 1) = ln x + ln 1
Problem 95
In Exercises 89–102, determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement. ln(5x) + ln 1 = ln(5x)
Problem 95
Solve each equation. 2|ln x|−6=0
Problem 95
Evaluate or simplify each expression without using a calculator. In e9x
Problem 95
Find all zeros of f(x) = x³ + 5x² – 8x + 2.
Problem 96
In Exercises 89–102, determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement. ln x + ln(2x) = ln(3x)
Problem 96
Solve each equation. 3|log x|−6=0
Problem 97
Evaluate or simplify each expression without using a calculator.
Problem 97
Solve each equation.
Problem 97
Determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement. log(x + 3) - log(2x) = [log(x + 3)/log(2x)]
Problem 98
In Exercises 89–102, determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement.
Problem 99
Determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement.
Problem 99
Solve each equation. ln(2x+1)+ln(x−3)−2 ln x=0
Problem 99
Evaluate or simplify each expression without using a calculator. 10log √x
Problem 100
Evaluate or simplify each expression without using a calculator. 10log ∛x
Problem 100
Solve each equation. ln 3−ln(x+5)−ln x=0
Problem 100
Determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement. log6 [4(x + 1)] = log6 (4) + log6 (x + 1)
Problem 101
Solve each equation.
Problem 101
Determine whether each equation is true or false. Where possible, show work to support your conclusion. If the statement is false, make the necessary change(s) to produce a true statement. log3 (7) = 1/[log7 (3)]
Problem 101
Write each equation in its equivalent exponential form. Then solve for x. log3 (x-1) = 2
Problem 103
In Exercises 101–104, write each equation in its equivalent exponential form. Then solve for x. log4x=-3
Problem 105
In Exercises 105–108, evaluate each expression without using a calculator. log5 (log7 7)
Problem 106
In Exercises 105–108, evaluate each expression without using a calculator. log5 (log2 32)
Problem 107
In Exercises 105–108, evaluate each expression without using a calculator. log2 (log3 81)
Problem 108
In Exercises 105–108, evaluate each expression without using a calculator. log (ln e)
Problem 109
In Exercises 109–112, find the domain of each logarithmic function. f(x) = ln (x² - x − 2)
Problem 111
In Exercises 109–112, find the domain of each logarithmic function. f(x) = log[(x+1)/(x-5)]
Problem 126
In Exercises 125–128, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement.
Problem 127
In Exercises 125–128, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement.
Problem 128
In Exercises 125–128, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement.
logb (xy)5 = (logb x + logb y)5
Ch. 4 - Exponential and Logarithmic Functions
