Determine whether the relation defines y as a function of x. Give the domain.xy = 3
A. Not a function; domain: (-?, 0) ? (0, ?)
B. Function; domain: (-?, ?)
C. Not a function; domain: (-?, ?)
D. Function; domain: (-?, 0) ? (0, ?)
Answer: D
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (5, 1, -1) for ln 
- exy+z2 = 0.
A. 
B. 
C. 
D. 
Mathematics
Use differentiation to determine whether the integral formula is correct.
dx = - 
+ C
A. Yes B. No
Mathematics
Express the following ratio as a fraction in lowest terms.A ratio of 7 to 56
A. 8
B. 
C. 7
D. 
Mathematics
Evaluate the expression.29.3 - 2.8 ÷ 4.9 × 47.2
Round to the nearest hundredth if necessary.
A. 2.33 B. 0.11 C. 255.27 D. 1355.99
Mathematics