Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Verify that each equation is an identity.csc2t - cos t sec t= cot2 t
What will be an ideal response?
Mathematics
Sketch the graph of the function and find the domain and range.f(x) = x2 + 4
A. 
domain: {x|-? < x < ?}
range: {y|y ? -4}
B. 
domain: {x|-? < x < ?}
range: {y|y ? 4}
C. 
domain: {x|-? < x < ?}
range: {y|y ? 4}
D. 
domain: {x|-? < x < ?}
range: {y|y ? 0}
Mathematics
Simplify the radical.
A. -8 B. 22.627 C. 11.314 D. not a real number
Mathematics
Solve the logarithmic equation.log3x = -4
A. 
B. 81
C. 64
D. 
Mathematics