Identify the axis of symmetry, given the quadratic equation: 
A. 
B. 
C. 
D. none of these
Answer: B
Mathematics
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Find the measure of each marked angle.
A. 60° and 120° B. 45° and 55° C. 90° and 270° D. 45° and 135°
Mathematics
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 10 months?
A. 642 butterflies B. 250 butterflies C. 800 butterflies D. 6400 butterflies
Mathematics
Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
15x2 - 7 = 0
A. 
B. 
C. 
D. 
Mathematics
Determine whether the following relation is a function. 
A. yes B. no
Mathematics