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Vlada [557]
3 years ago
5

F(x) = 8x - 11 f(9) =

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0
The answer is 61.

Replace the x in the equation with the nine. F(9) = 8(9) - 11

Now first multiply 8 x 9 which is 72

Now you have F(9) = 72 - 11
Subtract the two numbers.

F(9) = 61
Diano4ka-milaya [45]3 years ago
6 0

Answer:

61

Step-by-step explanation:

hi! we can start off by plugging in the number 9 for x in the equation.

f(x)=8x-11)

f(9)= 8(9)-11

= 72-11

=61

hope this helps.

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