Let f(x) = 6 - 3x + 5x2. (a) Find f'(a) (b) What is the instantaneous rate of change of f when x = 2? (c) What is the slope of the tangent line to the graph of f at the point (-9, 438)?

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Q: 3. 3X 3x4 a.

A: The given expression is 12x3y-3xy33xy.

Q: can you write this out, in text this is confusing

A: The standard deviation is $40.

Q: ANSWER #4 STRICTLY HANDWRITTEN. DO NOT GIVE TYPEWRITTEN ANSWERS

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A: The detailed solution is as follows below:

Q: not using excel can this problem be solved?

A: The mean is $31,000, standard deviation is $3000.

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A: Enter the data in the R studio in the following ways for data frame: Test= c(1,2,3,4,5,6,7,8,9)…

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