If * is an operation such that a * b = 3a - 4b, find the value of 3*4 Option 1: 0 Option 2: -7 Option 3: 7 Option 4: -1

Answer: -7. Solution: Given a * b = 3a - 4b. Substitute a = 3 and b = 4: 3 * 4 = 3(3) - 4(4) = 9 - 16 = -7.

Quantitative Reasoning

Miscellaneous

Easy

If * is an operation such that a * b = 3a - 4b, find the value of 3*4

-7

-1

✅ Correct Option: 2

Given $a * b = 3a - 4b$ .

Substitute $a = 3$ and $b = 4$ :

$3 * 4 = 3(3) - 4(4) = 9 - 16 = -7$ .

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