The marginal profit is the additional profit earned on each additional dollar of investment.

Answer the following statement true (T) or false (F)


True

Mathematics

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Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x2 + 2x - 3; (-5, 5)

A. local maximum at (1, -4) B. local minimum at (-1, -4) C. local maximum at (-1, 4) D. local minimum at (1, 4)

Mathematics

Solve the problem.Liz ran 32 mi, 11 mi, and 20 mi during three weeks. How many miles must she run the fourth week to give her an average of 20 miles per week?

A. 20.8 mi B. 17 mi C. 21 mi D. 20 mi

Mathematics

Solve the problem.Linda invests  for one year. Part is invested at , another part at , and the rest at . The total income from all 3 investments is . The combined income from the 

src="https://sciemce.com/media/4/ppg__fdf0514192054__f1q211g6.jpg" alt="" style="vertical-align: -4.0px;" /> and  investments is the same as the income from the  investment. Find the amount invested at each rate.

A. $8000 at 5%, $10,000 at 6%, $7000 at 8%
B. $10,000 at 5%, $10,000 at 6%, $5000 at 8%
C. $10,000 at 5%, $5000 at 6%, $10,000 at 8%
D. $5000 at 5%, $10,000 at 6%, $10,000 at 8%

Mathematics

If the sequence is geometric, find the common ratio. If the sequence is not geometric, say so.

A.
B.
C. 40 
D. 4 

Mathematics