Mathematics, 15.01.2021 14:00 cool185635
Question 13 (5 points)
Which of the following graphs represents the function y = 2 cos(x – π∕2) – 1?
Question 13 options:
A)
image
B)
image
C)
image
D)
image
Question 14 (5 points)
Given that cos θ = –12∕13 and θ is in quadrant III, find csc θ.
Question 14 options:
A)
–13∕5
B)
13∕5
C)
5∕13
D)
–5∕13
Question 15 (5 points)
Evaluate the expression.
Question 15 options:
A)
–tan π∕56
B)
–tan 17π∕56
C)
tan π∕56
D)
tan 17π∕56
Question 16 (5 points)
image
Using the unit circle, determine the value of cos(945°).
Question 16 options:
A)
B)
C)
D)
Question 17 (5 points)
Find the equation of the midline of the function y = 2 sin(1∕4x) – 3.
Question 17 options:
A)
y = –3
B)
y = 3
C)
y = 2
D)
y = 1∕4
Question 18 (5 points)
For an angle to be in standard position, its vertex is at the origin and the initial side lies on the
Question 18 options:
A)
negative x-axis.
B)
negative x-axis.
C)
positive x-axis.
D)
positive y-axis.
Question 19 (5 points)
image
Determine the measure of ∠Z.
Question 19 options:
A)
48.24°
B)
87.71°
C)
41.76°
D)
13.29°
Question 20 (5 points)
Which of the following are maximum and minimum points of the function y = sin(x + π)?
Question 20 options:
A)
Minimum: (π∕4, 1); Maximum: (5π∕4, –1)
B)
Maximum: (π∕2, – 1); Minimum: (3π∕2, 1)
C)
Minimum: (π∕4, – 1); Maximum: (5π∕4, 1)
D)
Maximum: (π∕2, 1); Minimum: (3π∕2, –1)
Answers: 3
Mathematics, 21.06.2019 13:30
Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6 m−6 6m
Answers: 3
Mathematics, 21.06.2019 16:30
Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²
Answers: 3
Mathematics, 21.06.2019 18:00
If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?
Answers: 1
Mathematics, 22.06.2019 02:00
If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.
Answers: 3
Question 13 (5 points)
Which of the following graphs represents the function y = 2 cos(x – π∕2) – 1...
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