Answer:
-3x^2 + 15x
Step-by-step explanation:
(3 - x) (x - 5)
=> (3x - 15) ( -x)
=> -3x^2 + 15x
She could try to reduce variable costs
<span>The following indicate that a linear model is not the best fit for a dataset:
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• Scatterplot shows a curve pattern.
• Residual plot shows no pattern.
• Correlation coefficient is close to 1 or –1.
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</span>I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!<span><span>
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Answer:
The radius of the balloon is increasing at a rate of 4 feet per minute.
Step-by-step explanation:
We are given the following in the question:
Volume of sphere is given by
where r is the radius of the balloon.
Instant radius, r = 2 ft
Rate of change of volume =
Putting values, we get,
Thus, the radius of the balloon is increasing at a rate of 4 feet per minute.
