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Mathematics
Izzy
1 April, 19:05
F (x) = - x² + x + 13
Find f (9)
+1
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2
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Ayanna Simmons
1 April, 19:44
0
103.
Step-by-step explanation:
If you plug in 9 for the value of x in the equation, 103 is your answer.
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Rayleen
1 April, 20:11
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f (9) = - 59
Step-by-step explanation:
to find f (9), just substitue 9 for every x value in the equation
for example:
f (x) = - x² + x + 13
substitute in 9 for the x values
f (9) = - 9² + 9 + 13
solve and add like terms
f (9) = - 59
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