Solve the system. 3x - y = 12 2y + z = 15x + 4z = 41
A. (-5, -3, -9)
B. (z + 12, -z + 15, z)
C. (5, 3, 9)
D. No solution
Answer: C
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Solve the problem.The daily profit, in dollars, of a specialty cake shop is given by 
where x is the number of cakes made. Find the output at the vertex of the parabola (the number of cakes that should be made per day in order to maximize profit).
A. 24 cakes B. 576 cakes C. 2880 cakes D. 48 cakes
Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 0
A. L(x) = 
x + 
B. L(x) = 
x + 
C. L(x) = - 
x + 
D. L(x) = - 
x + 
Translate the equation into a sentence by using the phrase "varies directly" or "varies inversely". x = kb2
A. x varies directly as the square root of b. B. x varies inversely as the square of b. C. x varies inversely as the square root of b. D. x varies directly as the square of b.
Find the opposite (additive inverse).29
A. 29 B. 0 C. -29 D. -1