Exam Maths Puzzle Algebra

True or False
The domain of x^2 + 2 is (-00;+00) and the range is (2;+00)

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Exam Other Question

For the following piecewise defined function find f(1)

f(x) = {x^2=1,.....x<0
f(x) = {x-1,.......x>0
Q1. If PLEASE = RMIGKI
then SLEEP = ?

Q2. If
TRUCK = 25
DERIVE = 36
What is CAPTAIN = ?