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Which one of the following statements is true? If f ′′(x) > 0 on the interval (a, b) then f(x) is concave down on the interval (a, b). If f ′(x) > 0 on the interval (a, b) then f(x) is increasing on the
asked
Nov 18, 2018
Mathematics
high-school
1
answer
5
votes
2.6k
views
The state of illinois cycle rider safety program requires motorcycle riders to be able to brake from 30 mph (44 feet/second) to zero in 45 feet. what constant deceleration is required to do that?
asked
May 5, 2018
Physics
high-school
1
answer
4
votes
88.9k
views
Biology what is the difference between artificial selection and natural selection? artificial selection acts on morphological characteristics, whereas natural selection acts on life history traits. artificial
asked
Apr 1, 2018
Biology
high-school
1
answer
2
votes
114k
views
Write a sentence or two that shows cause and effect organization
asked
Sep 18, 2017
English
high-school
1
answer
2
votes
151k
views
Where were the jewish ghettos located? italy spain poland england
asked
Aug 11, 2017
History
high-school
2
answers
1
vote
153k
views
How do you say "Today is Monday" in Spanish? a. Hoy ser lunes b. Hoy esta lunes c. Hoy es lunes d. Hoy esta lunes
asked
Apr 19, 2017
Spanish
middle-school
2
answers
5
votes
187k
views
Bats use ultrasound in echolocation. This sound is characterized by __low frequencylow amplitudehigh frequencyhigh amplitude
asked
Oct 27, 2015
Physics
high-school
2
answers
1
vote
201k
views
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