Find the equation for the level surface of the function through the given point.f(x, y, z) = 
, (7, 2, 3)
A. 
= 
B. 
= 
C. The level surfaces cannot be determined.
D. 
= 
Answer: D
Mathematics
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Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that the variable is restricted to those numbers for which the expression is defined.
?
A. 
B. ?
C. ?
D. ?
Mathematics
Write the first four terms of the sequence.an = 
A. a1 = -1, a2 = 
, a3 = - 
, a4 = 
B. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
C. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
D. a1 = 1, a2 = 
, a3 = - 
, a4 = 
Mathematics
Find the LCD for the fractions in the list.
, 
A. 2x2 B. x2 C. x7 D. 9x7
Mathematics
Evaluate the logarithm using the change-of-base formula. Round your result to three decimal
places.
?
?
A. -0.631 B. 2.369 C. 0.369 D. -1.631 E. 1.369
Mathematics