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sammy [17]
4 years ago
9

If f(x) = -x+7, what is f(15)? (I got -8, which was incorrect) Thanks!

Mathematics
2 answers:
HACTEHA [7]4 years ago
5 0
Im not sure why you said ur wrong b/c i got the same answer 
f(x) = -15+ 7
f(x) = -8


Vilka [71]4 years ago
4 0

Answer: f(15)=-8

Step-by-step explanation:

The given function : f(x)-x+7

To find f(15) , we need to substitute the value of x=15 in the given function ,so that we have

f(15)=-15+7\\\\\Rightarrow\ f(15)=-8

Therefore the value of the given function f(x)-x+7

at x=15 \text{ is}-8 i.e. f(15)=-8

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