Respuesta :

wittpennw

Answer:

midline = 1.5

Step-by-step explanation:

f(x) = d + a*cos (bx+c)

a = amplitude

b = part of the period

c = horizontal shift

d = vertical shift (midline location)

d = 1.5

brianrehder6

Answer:

1.5

Step-by-step explanation:

1.5

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