Find the range of the quadratic function in interval notation.f(x) = (x + 3)2 + 5
A. [-3, ?)
B. [-5, ?)
C. [5, ?)
D. [3, ?)
Answer: C
Mathematics
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Provide an appropriate response.Define f(0,0) in a way that extends f(x, y) = 
to be continuous at the origin.
A. f(0, 0) = 2 B. f(0, 0) = 0 C. No definition makes f(x, y) continuous at the origin. D. f(0, 0) = 1
Mathematics
Solve the problem.How many liters of a 40% alcohol solution must be mixed with 30 liters of a 80% solution to get a 50% solution?
A. 12 L B. 90 L C. 120 L D. 9 L
Mathematics
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + xy + y2 - 3y - 6 = 0
A. 
B. 
Mathematics
Solve the equation.log (x + 5) = log (2x + 4)
A. 9
B. -1
C. - 
D. 1
Mathematics