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What is the period of the function

g(x)=-sin(-8x-3)+5?
Give an exact value.

◻ units

What is the period of the function\newlineg(x)=sin(8x3)+5g(x)=-\sin(-8x-3)+5?\newlineGive an exact value.\newline\square units

Full solution

Q. What is the period of the function\newlineg(x)=sin(8x3)+5g(x)=-\sin(-8x-3)+5?\newlineGive an exact value.\newline\square units
  1. Identify Function & Period: Identify the basic function and its period.\newlineThe basic function here is sine, which has a standard period of 2π2\pi for sin(x)\sin(x). The period of sin(bx)\sin(bx) is given by 2πb\frac{2\pi}{|b|}, where bb is the coefficient of xx.
  2. Determine Coefficient of x: Determine the coefficient of xx in the given function.\newlineIn the function g(x)=sin(8x3)+5g(x) = -\sin(-8x - 3) + 5, the coefficient of xx is 8-8.
  3. Calculate Period: Calculate the period of the given function.\newlineThe period of g(x)g(x) is 2π2\pi divided by the absolute value of the coefficient of xx, which is 8|-8|. Therefore, the period is 2π8=2π8=π4\frac{2\pi}{|-8|} = \frac{2\pi}{8} = \frac{\pi}{4}.
  4. Verify Transformations: Verify that the transformations do not affect the period.\newlineThe transformations in the function include a reflection, a horizontal shift, and a vertical shift. None of these transformations affect the period of the sine function. Therefore, the period remains π4\frac{\pi}{4}.

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