Since the answer after dividing 9 to the 7th power and 9 to the 5th power, 81 would be 9 to the 2nd power
so,
9^2
Answer:

Step-by-step explanation:
Since the numerator are like terms so you just add them together and leave the denominator the same.

Answer: 
<u>Cross-multiply</u>
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<u>Flip the equation</u>
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<u>Divide both sides by 3</u>
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F(-2) = 3(-2)-5 = -11
hope it helps