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What is 50 as a percentage of 20?

250%
LC
Answered by Luke C. • Maths tutor
3805 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
3579 Views

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
2336 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
5468 Views

Differentiate (x^2)*(e^x) using product rule

Product rule: d/dx[f(x) g(x)]= f(x) d/dx[g(x)] + g(x) d/dx[f(x)]Let f(x)=x^2 and g(x)=e^xf'(x) = 2x and g'(x) = e^x Therefore,The derivative of (x^2) (e^x) = 2x (e^x) +(x^2) (e^x)
JB
Answered by John B. • Maths tutor
3420 Views