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Prove that f(x) the inverse function of g(x) where f(x)= - 3x–6 and g(x)= - x/3–2

f ( x ) and g ( x ) are inverse functions when the following equations are true: f ( g ( x ))= x g ( f ( x ))= x To find ( f(g )( x) ) or ( g(f ( x )), use the inner function as the input for the outer funct...
SK
Answered by Sheela K. • Maths tutor
3708 Views

What is 50 as a percentage of 20?

250%
LC
Answered by Luke C. • Maths tutor
3719 Views

Consider the function F(x)=17(x^4)+13(x^3)+12(x^2)+7x+2. A) differentiate F(x) B)What is the gradient at the point (2,440)

A point of notation: '#' is the beginning of a comment, we will use comments to note down thoughts and tricks at each stage of the problem A) let f(x) denote the differential of F(x) F(x)=17(x^4)+13(x^3)+12(...
DW
Answered by Dylan W. • Maths tutor
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What is the difference between the two threes in the number 357.235?

300 - 0.03= 299.97
LC
Answered by Luke C. • Maths tutor
2284 Views

Simplify fully the fraction (a^2 + a − 6)/ (ab+3b)

so, let's split the fraction up, into the top half and the bottom half, and deal with each part at a time. The top part of the fraction (numerator) is a^2 +a -6 , and you can see that it is a quadratic equat...
SL
Answered by Sinchana L. • Maths tutor
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