If * is an operation such that $a * b = 3a-4b$, find the value of $3*4$
Answer & explanation
Correct answer: option 2
Here,
a * b = 3a - 4b
lets, apply this to the questions:
3 * 4 = 3 (×3) - 4 (×4) = 9 - 16 = - 7
If * is an operation such that $a * b = 3a-4b$, find the value of $3*4$
Correct answer: option 2
Here,
a * b = 3a - 4b
lets, apply this to the questions:
3 * 4 = 3 (×3) - 4 (×4) = 9 - 16 = - 7