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35 votes
35 votes
The function f(x)=−x+5. What is the value of f(−4)

User Kuldeep Sakhiya
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2 Answers

18 votes
18 votes
Answer: 9
Im not sure but
F(-4)=-x+5
F(-4)=-(-4)+5
F(-4)=4+5
=9
User Harsh Bhavsar
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20 votes
20 votes

Input (-4) as x.

f(x) = -x + 5
f(-4) = -(-4) + 5
= -1(-4) + 5
= 4 + 5
= 9
f(-4) = 9

User Khonix
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3.0k points