Find the second-order partial derivative.Find fyx when f(x,y) = 8x3y - 7y2 + 2x.
A. 48xy
B. -14
C. 24x2
D. -28
Answer: C
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A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.d = rt; t = 5, d = 20
A. 15 B. 4 C. 25 D. 0.3
There are 3 solutions of 
. Find all three solutions. Round your answers to two decimal places if necessary.
?
A. 3.14, 2.72, -3.14 B. 0, 3.24, -1.24 C. 0, 4, -1.72 D. 0, 1, -1
Write the requested fraction in lowest terms.The table lists the number of televisions in stock at a particular store, categorized by screen size.
Find the fraction of televisions in stock with a screen size of 48 inches.
A. 8
B. 
C. 
D. 
Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.3, 12, 48, 192, 768, . . .
A. yes, 
B. yes, 4
C. no
D. yes, 12