It depends on whether or not you have written the question correctly. If the 2 is an exponent, it needs to be preceded by a ^. Otherwise, it is considered a multiplier.
x^2 = x²
x2 = x⋅2
y = x²-1 is nonlinear and nonproportional.
Tan^-1 = 72.81° is your answer, use basic SOHCAHTOA functions
Wdym? Did you mean to answer someone else ????
Answer:
$980 dollars
Step-by-step explanation:
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