Give the domain and range of the relation.y = 
A. domain: [0, ?); range: (-?, ?)
B. domain: [-3, ?); range: [0, ?)
C. domain: (-?, ?); range: (-?, ?)
D. domain: (-?, ?); range: [-3, ?)
Answer: B
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Find the absolute maxima and minima of the function on the given domain.
on the diamond-shaped region 
A. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
B. Absolute maximum: 
at 
and 
absolute minimum: 32 at 
and 
C. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
and 
D. Absolute maximum: 32 at 
and 
absolute minimum: 0 at 
Simplify the exponential expression. Assume that variables represent nonzero real numbers.
-1
A. 
B. 
C. 
D. 
Solve the proportion for the variable.
A. 20 B. 21 C. 22 D. 13 E. 18
Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = cos ?Find 5 f(?).
A. 
B. - 
C. 
D. - 