Ch. 4 - Exponential and Logarithmic Functions
Problem 130
If log 3 = A and log 7 = B, find log7 (9) in terms of A and B.
Problem 137
Exercises 137–139 will help you prepare for the material covered in the next section. Solve for x: a(x - 2) = b(2x + 3)
Problem 138
Exercises 137–139 will help you prepare for the material covered in the next section. Solve: x(x - 7) = 3.
Problem 139
Exercises 137–139 will help you prepare for the material covered in the next section. Solve: (x + 2)/(4x + 3) = 1/x
Problem 143
Without using a calculator, find the exact value of: [log3 81 - log𝝅 1]/[log2√2 8 - log 0.001]
Problem 144
Without using a calculator, find the exact value of log4 [log3 (log₂ 8)].
Problem 145
145. Without using a calculator, determine which is the greater number: log4 60 or log3 40.
