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Describe and evaluate Selye's General Adaptation Syndrome (GAS) model.

Selye’s General Adaptation Syndrome (GAS) states that prolonged chronic exposure to stress can be harmful to an individual and suggest that individuals go through three physiological stages: alarm, resist...

Answered by Renae W. • Psychology tutor

29395 Views

Solve the equation 5^(2x) - 12(5^x) + 35 = 0

The first step to solving this is equation is to notice that the equation is of a similar to the form of a quadratic equation: ay^2 + by + c = 0 where a, b and c are constants. Next we introduce a new va...

Answered by Jacob G. • Maths tutor

10337 Views

Differentiate with respect to x: y = ln(x^2+4*x+2).

Let u = x²+4x+2 so y = ln(u).

Then dy/du = 1/u and du/dx = 2x+4.

Using the chain rule we have:

dy/dx = (dy/du)*(du/dx)

= (1/u)*(2x+4)

= (2x+4)/(x²+...

Answered by Okim L. • Maths tutor

4963 Views

Describe the four stages of compilation.

The first stage is lexical analysis which takes the source code as an input and: • Removes whitespace and comments; • Converts remaining code into tokens, by breaking down the code by recognising reserved...

Answered by Hugh R. • Computer Science tutor

16179 Views

Prove that sec^2(θ) + cosec^2(θ) = sec^2(θ) * cosec^2(θ)

These problems can be tricky as they use unfamiliar trigonometric functions such as secant and cosecant. It is much easier to approach these problems by replacing these trigonometric functions with more f...

Answered by Hugh R. • Maths tutor

11952 Views