Solve the equation for the unknown variable.log3r = -2
A. r = 1
B. r = -6
C. r = 
D. r = 
Answer: C
Mathematics
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Determine all values that cause the expression to be undefined.
A. 0 B. None C. 3 D. -3
Mathematics
Provide an appropriate response.To reduce inventory, a department store charges three rates. If you buy 0-5 pairs of socks, the price is $3.50 per pair of socks. If you buy 6-10 pairs of socks, the price is $3.00 per pair. If you buy more than 10, the price is $2.75 per pair. Graph the compound function that represents the cost of buying N pairs of socks.
What will be an ideal response?
Mathematics
Evaluate the sum. Round to the nearest hundredth if necessary.
A. 669.86 B. 28 C. -0.58 D. 14.58
Mathematics
Find dy/dx by implicit differentiation.2xy - y2 = 1
A. 
B. 
C. 
D. 
Mathematics