Answer:
Step-by-step explanation:
F(x) = 7 - 5x + 7x²
f(-9) = 7 - 5*(-9) + 7*(-9)²
= 7 + 45 + 7*81
= 7 + 45 + 567
= 619
The answer is 13. The work is below
Answer:
correct
Step-by-step explanation:
Answer:
2944
Step-by-step explanation:
(-22-10)-92
(-32)-92
2944
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Step-by-step explanation:
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