Find the amplitude and period of the following trigonometric function. Sketch the graph in your notebook.𝑓(𝑥)=−6sin(5𝑥)+6
Question
Find the amplitude and period of the following trigonometric function. Sketch the graph in your notebook.𝑓(𝑥)=−6sin(5𝑥)+6
Solution
The amplitude of a trigonometric function is the absolute value of the coefficient of the sine or cosine function. In this case, the amplitude is |−6| = 6.
The period of a sine or cosine function is given by 2π divided by the absolute value of the coefficient of x inside the sine or cosine function. In this case, the period is 2π / |5| = 2π/5.
To sketch the graph, you would start by drawing a horizontal line (the x-axis) and marking off a distance along the x-axis that represents one period of the function. Then, you would draw a vertical line (the y-axis) through the midpoint of this interval.
The graph of the function will be a wave that oscillates between -6 and 6 on the y-axis, with a period of 2π/5. Because the coefficient of the sine function is negative, the graph will be a reflection of the usual sine curve across the x-axis.
Finally, the "+6" at the end of the function indicates a vertical shift upwards by 6 units. So, you would shift the entire graph upwards by 6 units.
Please note that I can't actually draw the graph here, but I hope these instructions help you to draw it in your notebook.
Similar Questions
Find the amplitude, period and range of 𝑦=6sin(6𝑥+𝜋7)−3
Which of the following is a cosine equation having an amplitude of 2 and period of 6?Responsesy=2cos2x3𝑦=2cos2𝑥3y is equal to 2 cosine 2 x over 3y=2cos3πx2𝑦=2cos3𝜋𝑥2y=2cos3πx2𝑦=2cos3𝜋𝑥2y=2cosπx3𝑦=2cos𝜋𝑥3y=2cosπx3𝑦=2cos𝜋𝑥3y=2cos(3πx)
amplitude is 3 and period of π
Find the period and amplitude of the function.=y−3sinπxGive the exact values, not decimal approximations.
What is the first step to graphing sine and cosine functions?Group of answer choicesFind the values of 𝑥 for the five key points.Find the values of 𝑦 for the five key points.Connect the five key points with a smooth curve and graph one complete cycle of the given function.Identify the amplitude and the period.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.