Factor. Check by multiplying.5x - 20y
A. 5(x - 4y)
B. 5(x - 20y)
C. 4(5x - 5y)
D. 5(x - y)
Answer: A
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Determine where the given function is concave up and where it is concave down. f(x) = -x3 + 6x + 2
A. Concave up on (-?, 2), concave down on (2, ?) B. Concave down on (-?, 0), concave up on (0, ?) C. Concave down on (-?, 2), concave up on (2, ?) D. Concave up on (-?, 0), concave down on (0, ?)
Answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
MAJORDid twice as many students major in History as in Science?
A. Yes B. No
Solve the problem.Find the measure (in radians) of a central angle of a sector of area 55 square inches in a circle of radius 8 inches. Round to the nearest hundredth.
A. 0.86 radians B. 1.72 radians C. 2.58 radians D. 3.44 radians
Use transformations to explain how the graph of the given function can be obtained from the graph of the appropriate root function (y = 
or y =
).f(x) = 
A. Rewrite as 6
. Shift the graph of y = 
to the right 3 units and upward 6 units.
B. Rewrite as 6
. Shift the graph of y = 
to the left 3 units and stretch vertically by a factor of 6.
C. Rewrite as 6
. Shift the graph of y = 
upward 3 units and stretch vertically by a factor of 6.
D. Rewrite as 6
. Shift the graph of y = 
to the right 3 units and stretch vertically by a factor of 6.