Question

How do I find the minimum value of -3+4cos[5pi/6(x+4)]

Answer 1

min = vertical shift - amplitude

min = -3 -4 = -7

Answer 2

o: sweet thanks! :D i'll keep that formula in mind <3

Answer 3

yw, you can get same result too by noticing that cos has min value of -1

---> -3 + 4(-1) = -7

Answer 4

ah ok :)