Solve the system for all real solutions, using any suitable method.
?
?
A. 
B. 
C. 
D. 
E. inconsistent
Answer: D
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Find all the first order partial derivatives for the following function.f(x ,y, z) = (sin xy)(cos yz2)
A. 
= (y cos xy)(cos yz2); 
= (x cos xy)(cos yz2); 
= -2(yz sin xy)(sin yz2)
B. 
= (y cos xy)(cosyz2); 
= (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2); 
= -2(yz sin xy)(sin yz2)
C. 
= (y cos xy)(cos yz2); 
= (z2 sin xy)(sin yz2)- (x cos xy)(cos yz2); 
= 2(yz sin xy)(sin yz2)
D. 
= (y cos xy)(cos yz2); 
= (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2); 
= 2(yz sin xy)(sin yz2)
Provide an appropriate response.Use a calculator to multiply and reduce answers to lowest terms: 
A. 
B. 
C. 
D. 
Solve.A watch sells for $1173. If the sales tax rate is 6.7%, what is the total price?
A. $1251.59 B. $785.91 C. $78.59 D. $1958.91
Write in logarithmic form.p = 9t
A. log9 p = t B. logp 9 = t C. logt 9 = p D. log9 t = p