Determine the number of real-number solutions of the equation from the given graph.0.01x2 + 0.004x + 0.0004 = 0, given the graph of y = 0.01x2 + 0.004x + 0.0004
A. 3
B. 0
C. 2
D. 1
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)(cos yz2); 
= (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)(cosyz2); 
= (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2); 
= -2(yz sin xy)(sin yz2)
Simplify using order of operations.36 - 42 + (-10) ÷ 
A. 2 B. 50 C. 22 D. 18
Solve the system of linear equations.-6x + 9y = 72-3x + 6y = 48
A. (0, 8) B. No solution C. (0, 9) D. (-1, 9)
Solve the equation by factoring.12x2 - 5x - 25 = 0
A. {- 
, 
}
B. {- 
, - 
}
C. {
, 
}
D. {
, - 
}