Find the range of the function. ƒ(x) = −x2 + 2 A)[2, ∞) B) (−∞, 2] C) [−2, ∞) D) (−∞, −2]
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50
Step-by-step explanation:
Since AE is the bisector of angle BAC,so angle BAE and Angle CAE is equal. Here Angle CAE and Angle EAC is same.
therefore,
m(Angle BAE)=m(Angle EAC)
or, 2x=40
or, x=20
Hence,
m(Angle EAC)=
=
