Answer the question.What is the only real number not in the domain of f(x) = 
?
A. 0
B. 3
C. -3
D. x - 3
Answer: B
Mathematics
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Find the inverse of the function.f(x) = x2 - 4, x ? 0
A. f-1(x) = - 
B. f-1(x) = - 
C. f-1(x) = x2 + 4
D. f-1(x) = 
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.24x2 + 68x + 48
A. (2x + 1)(3x + 12) B. 4(12x + 3)(x + 4) C. 4(2x + 3)(3x + 4) D. 4(2x + 1)(3x + 12)
Mathematics
Find the center and radius of the circle.x2 + y2 = 34
A. Center: (0, 0), radius: 
B. Center: (1, 1), radius: 
C. Center: (0, 0), radius: 34
D. Center: (1, 1), radius: 34
Mathematics
Solve.The electric current I in a circuit varies directly as the voltage V. When 30 V are applied, the current is 3 A. What is the current when 27 volts are applied? Round your answer to the nearest hundredth, if necessary.
A. 2.7 A B. 10 A C. 60 A D. 4.25 A
Mathematics