Need help thanks please :)
1 answer:
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Answer:
c = - 2
Step-by-step explanation:
Given inverse function
(5) = - 1 , then
f(- 1) = 5 , that is
- 2c + c(- 1) - (- 1)² = 5
- 2c - c - 1 = 5
- 3c - 1 = 5 ( add 1 to both sides )
- 3c = 6 ( divide both sides by - 3 )
c = - 2