Graph the function. Then identify its domain and range.f(x) = 
, for x ? -4
A. Domain: [4, ?); range: [0, ?) 
B. Domain: (-?, -4]; range: [0, ?) 
C. Domain: [-4, ?); range: [0, ?) 
D. Domain: [-4, ?); range: (-?, 0] 
Answer: C
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Solve.During a visit to a high school, a health care worker determined that 25 of the 225 girls were anemic and 18 of the 220 boys were anemic. (a) Express in lowest terms the fraction of girls who were anemic.(b) Express in lowest terms the fraction of boys who were anemic.(c) Is the fraction of anemic students higher among the girls or the boys? [Hint: Convert your answers to parts (a) and (b) to equivalent fractions with the same denominator.]
A. (a) 
, (b) 
, (c) girls
B. (a) 
, (b) 
, (c) girls
C. (a) 
, (b) 
, (c) girls
D. (a) 
, (b) 
, (c) girls
Plot each number on a number line.-1.5, 0, 5, -3
A. 
B. 
C. 
D. 
Divide.1333 ÷ 5
A. 266 R 3 B. 266 R 2 C. 266 D. 265 R 8
Solve using the addition principle.a - 12 = 8
A. -20 B. 20 C. 4 D. -4