If * is an operation such that a * b = 3a - 4b, find the value of 3 * 4.
Answer & explanation
Correct answer: option 2
The correct answer is Option 2: -7
Statement: The operation is defined as: a∗b=3a−4b
Step 1: Substitute values
3∗4=3(3)−4(4)
= 9−16
=−7