Writing an Equation...2

[nycmathguy]

Section 4.5

Question 76

I need to find a, b, c, and d for f(x) = a•sin(bx - c) + d.

Let a = 3

Let b = 2pi/4pi = 1/2.

Let c = pi/4

Let d = -3/2

Our equation is f(x) = 3 sin(x/2 - pi/4) - 3/2.

 

[MathLover1]

correct

 

[nycmathguy]

correct

I finally figured something out on my own.