Determine by matrix multiplication whether or not A is the proper matrix of solution values.
A = 
A. Yes
B. No
Answer: A
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Determine whether the argument is valid or invalid.If Nadine is working tonight, then she will not go skiing.If Nadine is not working tonight or does not go skiing, then she will read a novel.Nadine will not read a novel tonight. Therefore, Nadine is not working tonight.
A. Valid B. Invalid
Use a graphing utility to find the discontinuities of the given rational function.f(x) = 
A. 3 B. 1 C. -1 D. The function is continuous for all values of x.
Find fraction notation for the infinite sum. 7.06060606 . . .
A. 
B. 
C. 
D. 
Find all intercepts for the given function. Round to the nearest tenth if necessary.f(x) = ln(x + 6) - 2
A. x-int: (-0.2, 0); y-int: (0, 1.4) B. x-int: (1.4, 0); y-int: (0, -0.2) C. x-int: (-6, 0); y-int: (0, -0.2) D. x-int: (1.4, 0); y-int: (0, 4)