Identify the axis of symmetry of the parabola.y = x2 - 6x + 10
A. x = 1
B. x = 3
C. x = 0
D. x = -3
Answer: B
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Find an equation of the line, and write it in (a) slope-intercept form if possible and (b) standard form.Through (-8, 11) and parallel to 7x - 9y = -110
A. (a) y = - 
x + 
(b) -8x - 9y = -110
B. (a) y = 
x + 
(b) 7x - 9y = -155
C. (a) y = - 
x - 
(b) -7x - 9y = 155
D. (a) y = 
x + 
(b) -9x + 7y = - 11
Graph the function and its inverse using the same set of axes. Use any method.f(x) = ex; f-1(x) = ln x
A. 
B. 
C. 
D. 
Solve the problem.The recycling process for aluminum cans is not perfectly efficient, and only a portion of the material of a particular can ends up in the next generation of cans. The "effective mass" of a can is its initial mass plus the cumulative mass of aluminum that it passes on to subsequent recycling generations. If the recycling process is 90% efficient, find the effective mass of a 13.5 gram can. Round to the nearest gram.
A. 137 g B. 10 g C. 135 g D. 136 g
Find the LCM of the set of numbers.8, 7
A. 28 B. 56 C. 8 D. 15