Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 = 16
A. (h, k) = (4, 4); r = 16
B. (h, k) = (0, 0); r = 4
C. (h, k) = (4, 4); r = 4
D. (h, k) = (0, 0); r = 16
Answer: B
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Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
Fill in the blank using the word product, sum, quotient, or difference.The formula sin ? - sin ? = 2 sin 
cos 
can be used to change a 
of two sines into the 
of a sine and a cosine expression.
A. sum, quotient B. sum, product C. difference, product D. difference, quotient
Graph the numbers on a number line.{0, 2, 4, 6}
A. 
B. 
C. 
D. 
Answer the question.True or False: The graph of the equation 9x - 15y = 16 goes 
A. True B. False