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A plant 3 in. tall grows an average of 0.5 in. each month. Which equation models the flowerÍs height h after x months?
3 = x + 0.5
h = 0.5x + 3
h = 3x + 0.5
h = 0.5 = x + 3

Respuesta :

h= 0.5x + 3  is your answer. 3 inches is the original height, the constant. So 3 is always added. Each month, the plants grows 0.5 inches so that means that 0.5 is multiplied by the number of months, x. So, height = 0.5 inches (times) the number of months + 3.
Edufirst
month    height
   x          h(x)

0            3
1            3 + 0.5
3            3 + 0.5(2)
4            3 + 0.5(3)
...
x            3+ 0.5(x)

Answer: second option, h = 0.5x + 3

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