Josie plotted 3 points from the equation y = 2x on this coordinate grid. She drew a straight line through the points.
2 answers:
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If the diameter is 8 centimeters, the radius is 4. We can use the formula 
and plug in r=4 and h=13 to get 
, so 
.
The initial value is 3 (when x=0), and the multiplier is 2, when x=2. The equation can be written as
.. y = 3*(2^(x/2))
.. y = 3*(2^(x/2))