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f(x) = 4x - m, g(x) = mx + 11, fg(x) = 8x + n. m and n are constants. Find the value of n.

If f(x) = 4x - m, and g(x) = mx +11, then the combined functions are: fg(x) = 4(mx +11) -m, or expanded to fg(x) = 4mx + 44 - m.

We are told that this function of 'f' and 'g' can also be written as...

AB
Answered by Angus B. Maths tutor
4842 Views

Expand and simplify the following expression: (2x-1)(3x+2)

Use a double-bracket expansion method such as FOIL (first, outer, inner, last). If you don't know FOIL or how to expand double brackets, don't worry, I will explain it to you in the session.

6x

OB
Answered by Oliver B. Maths tutor
11529 Views

Integrate ln(x) wrt dx

Integrate by parts. First rewrite the integral in the form udv/dx, which is (1)ln(x). Then integrate (1)ln(x) wrt dx by assigning u=ln(x) du/dx=1/x and dv/dx=1 v=x. We can determine the integral of ln...

ST
Answered by Sathurthini T. Maths tutor
4935 Views

Solve 3x2 + 7x – 13 = 0 Give your solutions correct to 2 decimal places.

a=3 b=7 c=-13

Use quad formula: -b+-root[(b^2-4ac)/2a]

Sub in values: -7+-root[7^2-4x3x-13] =1.22 and -3.55

BP
Answered by Bronte P. Maths tutor
6199 Views

Are the women in Greek tragedy less interesting than the men?

In Greek tragedy, both the women and men play an important role in shaping the development of the plays. However, it could be considered that one gender creates more interesting characters than the other....

LP
1690 Views

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