A new fertilizer is being tested on a stalk of corn. The height of the corn is increasing in a linear fashion during the test period. The height of the corn t days after the fertilizer is first applied is given by H = 14 + 1.4t centimeters. Explain in practical terms the meaning of the initial value and growth rate. In practical terms this means "The corn's height when the fertilizer was applied was

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and it grows by

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."

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

Write the slope intercept equation for line ab.

Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.