Answer:
f(x) = 4x² + 9x - 28
Step-by-step explanation:
Create the polynomial by multiplying (4x - 7) and (x + 4) together:
f(x) = 4x² + 16x - 7x - 28, or
f(x) = 4x² + 9x - 28
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You multiply it to find the answer
Answer:
C) 
Step-by-step explanation:
Copy the original equation
Combine like terms
Simplify the b, then divide by 3
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Answer:
6 weeks
Step-by-step explanation:
824 - 764 = 60 / 10 = 6