Answer:
f(x)=cos(x)
The amplitude is equal to 1. The period is 2π.
Okay so i cant just post what the answer is i have to type something.
but anyways this is the answer: t= 4.56
The beginning steps to solve the equation 6(3x - 7) = 2 is
Step 1: 18x - 42 = 2
Step 2: 18x = 44
Multiply the area of the base by the height of the pyramid and divide it by 3