When plucked, the high E string on a guitar has a frequency of 330 cycles per second. What sine function represents this note wh
en it is graphed with an amplitude of 1.5 units? Let x represent the number of seconds. Enter your exact answer in the box.
2 answers:
Let's analyse the function

The amplitude is A, so we want A=1.5
Now, we start at x=0, and we have 
After one second, i.e. x=1, we want this sine function to make 330 cycles, i.e. the argument must be 
So, we have

so, the function is

Answer:
f(x) = 1.5\sin(660\pi x)
Step-by-step explanation:
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Answer:
[7-2x+5y-(x-y) -[5x+3y-7]
= 7-2x+5y-x+y-5x-3y+7
=7+7-2x-x-5x+5y+y-3y
=14-8x+3y
=-8x+3y+14
Step-by-step explanation:
Replace all values of x as 4
f(4)=1/2(4)+5
f(4)=4/2+5
f(4)=2+5
f(4)=7
Hope I helped :)