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Explain BF Skinner's behaviourism

Led by BF Skinner in the 1950s and 1960s, it was the position that children acquire
language just as they acquire other behaviors-through a system of Positive and Negative
Reinforcement. A chi...

MZ
4265 Views

A curve is defined for x>0 as y = 9 - 6x^2 - 12x^4 . a) Find dy/dx. b) Hence find the coordinates of any stationary points on the curve and classify them.

a) y = 9 -6x^2 - 12x^4 

dy/dx = -12x - 48x^3 

b) At stationary points dy/dx = 0. 

-12x - 48x^3 = 0 

48x^3 + 12x = 0 

4x^3 + x = 0

x (4x^2 + 1) = 0 

Either ...

OW
Answered by Olivia W. • Maths tutor
3266 Views

How important is it to mention literary devices in essays?

Extremely important! It may seem like a very basic thing to do, but a lot of students spend too much time mentioning how the literary piece makes the reader feel and what it conveys, without mentioning 

MC
5660 Views

Describe how the origin of living systems is explained by natural processes. Please provide supporting evidence for hypotheses.. Sp

Numerous experimental investigations have been conducted to explain the diversity and unity of life. Specifically, these models have aimed to provide evidence that the conditions of early Earth provided a...

RS
Answered by Ruth S. • Biology tutor
1562 Views

Describe the formation of a waterfall?

They occur where a band of hard rock (e.g. granite) overlies a softer rock (e.g. sandstone).

Erosion processes such as Hydraulic Action (the force of the water) and Abrasio...

FM
Answered by Fleur M. • Geography tutor
3931 Views

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