Write and solve an equation to answer the question. Round your answer to the nearest whole number, if necessary.71 factories is 111% of what number of factories?
A. 64
B. 12,300
C. 123
D. 640
Answer: A
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Solve the problem.In a study of traffic control, the number n of vehicles on a certain section of a highway from to
was found to be
where t is the number of hours after
At what time is the number of vehicles the greatest?
A. 3 p.m. B. 4:30 p.m. C. 4 p.m. D. 5 p.m.
Graph the function. Give the domain and range.f(x) =
A. domain: (4, ?); range: (0, ?)
B. domain: (-4, ?); range: (0, ?)
C. domain: (-?, -4); range: (0, ?)
D. domain: (-4, ?); range: (-?, ?)
List the given numbers in order from least to greatest., -
, -
,
, -2
A. , -2,
, -
, -
B. - , -
, -2,
,
C. -2, - , -
,
,
D. - , -
, -2,
,
Graph the parabola and label the vertex. Find the y-intercept.y = 2(x - 1)2 +
A. vertex , y-intercept (0, -2.5)
B. vertex , y-intercept (0, -6.5)
C. vertex , y-intercept (0, 6.5)
D. vertex , y-intercept (0, 6.5)