Find the center and radius of the circle.x2 + y2 = 4
A. (0, 0); 4
B. (0, 2); 4
C. (0, 0); 2
D. (2, 2); 4
Answer: C
Mathematics
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Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.
A. Complex, pure imaginary, nonreal complex B. Nonreal complex C. Complex D. Real, complex
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Graph the function using transformations.f(x) = 3 - 
A. 
B. 
C. 
D. 
Mathematics
Use a half-angle formula to find the exact value of the expression.sin 
A. 
B. - 
C. 
D. - 
Mathematics
Use a calculator to find the value of the expression in radian measure rounded to two decimal places.csc-1 
A. 1.96 B. -22.02 C. 112.02 D. -0.38
Mathematics