Question

Please give correct answer I'll mark as brainliest​

Answer 1

(5−4x−x  

2

) should be>0

hence x  

2

+4x−5<0

(x+5)(x−1)<0

x∈(−5,1)

the curve 5−4x−X  

2

 will be max x=−2 and minimum at x=1,5

f(x)∈(−∞,2)

Answer 2

Answer:

✶⊶⊷⊶⊷❍ ❥ ❍⊶⊷⊶⊷✶

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