Give a formula for a piecewise-defined function f for the graph shown.
A.
f(x) = 
B.
f(x) = 
C.
f(x) = 
D.
f(x) = 
Answer: D
Mathematics
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Find the reciprocal, if possible. Then find the product of the fraction and its reciprocal.1
A. 0, product is 0 B. -1, product is 0 C. -1, product is 1 D. 1, product is 1
Mathematics
Express the statement as an equation involving the indicated variables.The volume V of a sphere is 
times ? times the cube of the radius r.
A. V = 
? 
B. V = 
?r
C. V = 
?r3
D. V = 
?r2
Mathematics
Add the numbers using the number line.-4 + (2) 
A. 2 B. 6 C. -2 D. -6
Mathematics
Find the domain of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics