Announcements _ MAT x V MAT 125 HW4b derivat × 2-3 e 01 gi 1507:173)> v 2-8-ex-c

Question

Announcements _ MAT x V MAT 125 HW4b derivat × 2-3 e 01 gi 1507:173)> v 2-8-ex-c1.gir 1607 1173] Gcr egg 5tudy Guideo 5 × C Secure I https://www Assi it?dep-18285616 M. 27 25 1960 1970 1980 1990 2000 0.1, y=M11) 0.05 -0.03 1950 1960 1970 1980 1990 2000 1950 1960 1970 1980 1990 2000 0.1 y=M11) 0.05 -0.03 -0.03 1950 1960 1970 1980 1990 2000 1950 1960 1970 1980 1990 2000 During which ycars wos the derivativc ncgativci? 1950 to 2000 1950 to 1963 nnd 1971 to 2000 1963 to 1971 1963 to 1971 nnd 1987 to 2000 2:21 PM MAT125 HW1b - de. 2 2/22/2018

Explanation / Answer

Here the option 4 is correct for the first question and option 3 is correct for second question.

Reason: The graph for M(t) shows there is a positive slope or the graph is increasing till 1963. and at 1963 and 1971, we observe a parallel tangent or the M'(t) = 0. while the curve is decreasing between 1963-1971 => hence M'(t) < 0 for these years.

Thus option 4 satisfies all these criteria for first question and the derivative is negative for 1963-1971, hence option 3 is correct for second question.

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