Writing an Equation

[nycmathguy]

Section 4.5

For 76, I must use y = a•sin(bx + c) + d to form my equation. Right?

For 78, I must use y = a•cos(bx + c) + d to form my equation. Yes?

 

[MathLover1]

right

 

[nycmathguy]

right

Ok. I found these questions to be fun and easy.