Trigonometric Functions - Test Test

Question 1

Which function describes the graph shown?

Revolt · Accepted Answer

B: y is equal to 1 half sine x minus 2

Question 2

What is the equation of the graph?

Revolt · Accepted Answer

A: y is equal to cosine of open paren x plus pi close paren

Question 3

What is the equation of the given graph?

Revolt · Accepted Answer

B: y is equal to secant of open paren x minus 4 close paren

Question 4

Which function is graphed?

Revolt · Accepted Answer

D: f of x is equal to sine of x

Question 5

Which transformations are needed to change the parent cosine function to the cosine function shown in the graph?

Revolt · Accepted Answer

D: vertical stretch of  2 , horizontal compression to a period of  pi over 2 ,  phase shift of  pi  units to the right, vertical shift of  1  unit down

Question 6

Which transformations are needed to change the parent cosine function to y is equal to 3 cosine open paren 10 times open paren x minus pi close paren close paren ?

Revolt · Accepted Answer

C: vertical stretch of  3 , horizontal compression to a period of  pi over 5 ,  phase shift of  pi  units to the right

Question 7

A circle has a central angle measuring 3 pi over 4 radians that intersects an arc of length 45 in. What is the length of the radius of the circle? Round your answer to the nearest tenth. Use 3 point 1 4 for pi

Revolt · Accepted Answer

D: 19 point 1  in.

Question 8

A circle has a central angle of 6 radians that intersects an arc of length 14 in. Which equation finds the length of the radius, r , of the circle?

Revolt · Accepted Answer

A: r is equal to 14 sixths

Question 9

Which of the following is the graph of y is equal to 0 point 5 secant open paren x plus pi over 3 close paren minus 2 ?

Revolt · Accepted Answer

B: Image with description On a coordinate plane, the x axis ranges from negative 2 pi to 2 pi with an interval of pi units and the y axis ranges from negative 5 to 1 with an interval of 1 unit. The graph is 2 pi periodic with asymptotes at x equals plus or minus n pi. It touches the lines y equals negative 3 by 2 at (3 pi by 2, comma negative 3 by 2 ) and (negative pi by 2 by negative 3 by 2) and y equals negative 5 by 2 at ( pi by 2 comma negative 5 by 2) and (negative 3 pi by 2 comma negative 5 by 2).

Question 10

What is the period of the function y is equal to 3 halves cotangent open paren 3 fifths x close paren plus 5 ?

Revolt · Accepted Answer

C: 5 pi over 3  units

Trigonometric Functions - Test Test Answers

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