What function does this graph represent? A.
f(x) = -0.2(x − 2)2 + 1
B.
f(x) = 0.2(x − 2)2 + 1
C.
f(x) = -0.2(x − 2)2 − 1
D.
f(x) = 0.2(x − 2)2 − 1

This is different from the first one can someone me

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?