1) This document contains 5 multiple choice mathematics questions involving logarithms. The questions cover topics like evaluating logarithmic expressions, solving logarithmic equations, and finding logarithmic values.
2) The questions have multiple choice answers for solving logarithmic expressions, equations, and finding logarithmic values of expressions and numbers.
3) This appears to be a practice set of multiple choice questions to test understanding of basic logarithm concepts like evaluating logarithmic expressions, solving logarithmic equations, and calculating logarithmic values.
1. Let log(A) = 5 and log(B) = -25. Find log(AB) .-203015-.pdf
1. 1. Let log(A) = 5 and log(B) = -25. Find log(A/B) .
-20
30
1/5
-1/5
None of these
2. Express as a single logarithm: 4log6 + 2log9
log(24 + 18)
log(64)log(92)
log(6492)
log(64/92)
None of these
3. The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x +
1) where x is the number of years since records began to be kept at the school. What is the record
for the long jump 11 years after record started being kept? Round your answer to the nearest
tenth.
25.6 feet
25.4 feet
22.1 feet
25.8 feet
None of these
4. Solve the equation: log (5 + x) - log (x - 2) = log 2
9
-0.5
-9
No
Solution
5. Solve the equation. log(x+7) = 1
3
7
10
0
None of these
6. Solve the equation log4.0(x) = 4.7.
