Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 6)2 + 1
A. vertex (1, 6)
axis of symmetry: x = 1
B. vertex (-6, 1)
axis of symmetry: x = -6
C. vertex (6, 1)
axis of symmetry: x = 6
D. vertex (-1, -6 )
axis of symmetry: x = -1
Answer: C
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Find the measure of the angles.
?A = (5x - 48)° , ?B = (3x + 20)°
A. 80° and 100° B. 56° and 124° C. 82° and 98° D. 67.5° and 112.5°
Solve the problem.The odds in favor of a horse winning a race are posted as 7 : 2. Find the probability that the horse will win the race.
A. 
B. 
C. 
D. 
The average speed of a vehicle on a stretch of a route between 6 A.M. and 10 A.M. on a typical weekday is approximated by the function
?
, where 
is measured in miles per hour and 
is measured in hours, with 
corresponding to 6 A.M.
?
At what time of the morning commute is the traffic moving at the slowest rate? What is the average speed of a vehicle at that time?
?
A. time = 7 A.M. ; average speed = 50 mph
B. time = 7 A.M. ; average speed = 30 mph
C. time = 7 A.M. ; average speed = 45 mph
D. time = 7 A.M. ; average speed = 40 mph
Solve by using the addition and multiplication properties of inequalities.6(9x + 6) + 6(x - 8) > 6(9x + 2) + 4(x + 18)
A. x < -48 B. x > -48 C. x < 48 D. x > 48