Determine if the given ordered triple is a solution of the system.(1, 5, -4)2x + 5y + z = 184x - 5y - z = -424x + y + 4z = -7
A. not a solution
B. solution
Answer: A
Mathematics
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Make a sketch of the population function (as a function of time) that results from the given growth rate function. Assume the population at time t = 0 begins at some positive value.
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.2x2 + x - 28
A. (2x + 7)(x - 4) B. (2x - 7)(x + 4) C. (2x - 4)(x + 7) D. (2x + 4)(x - 7)
Mathematics
Find the sum. Simplify when necessary.(-16) + (-17) + 9
A. 8 B. -24 C. 10 D. 42
Mathematics
Find the partial fraction decomposition.
= 
+ 
A. A = 1, B = -2, C = 0 B. A = -2, B = 1, C = 0 C. A = -2, B = 0, C = 1 D. A = 1, B = 0, C = -2
Mathematics