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ElenaW [278]
3 years ago
15

F(x) = -x² + x + 13 Find f(9)

Mathematics
2 answers:
RSB [31]3 years ago
8 0

Answer:

103.

Step-by-step explanation:

If you plug in 9 for the value of x in the equation, 103 is your answer.

krek1111 [17]3 years ago
6 0

Answer:

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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