Write an equation that expresses the relationship. Use k as the constant of variation.w varies jointly as x and the cube of y.
A. w + x + y3 = k
B. w = k + x + y3
C. w = kxy3
D. wxy3 = k
Answer: C
Mathematics
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Perform the indicated operation and write the answer in lowest terms. 
+ 
A. 
B. 
C. 
D. 
Mathematics
Give the domain and range of the relation.
A. domain: (0, ?); range: [0, ?) B. domain: (-?, 0) ? (0, ?); range: (-?, 0) ? (0, ?) C. domain: (-?, 0); range: (-?, 0) D. domain: (-?, ?); range: [4, ?)
Mathematics
Perform the indicated operations and write the result in standard form.
A. -5 - i
B. -5 + i
C. -5 - i
D. 5 + i
Mathematics
Divide.
A. 0.0177 B. 0.000000177 C. 0.00177 D. 0.177
Mathematics