What is the value of if ?
Answer and explanation
Correct answer: A.
- Step 1: Divide both sides by 3: .
- Step 2: Express 32 as a power of 2: .
- Step 3: Equate exponents: .
Answer
.
Why not the others: '' computes ; '' computes ; '' equates to .
Practise more Functions, Logarithms and Exponential Models.
Free questions with an explanation for every one, and full timed EmSAT Achieve (UAE) mock tests.