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Find the inverse of the function f(x) =2x-7.

Step 1) Replace f(x) with y: y= 2x - 7
Step 2) Switch around the x and y values: x = 2y - 7
Step 3) Solve to find y by itself: x = 2y - 7 x ...

Answered by Nikita D. • Maths tutor

4261 Views

Some phenotypes, such as colour-blindness, are caused by sex-linked genes. Explain why colour-blindness is more common in men than in women

Sex-linked genes are located on the sex-chromosomes, X and Y. Females have two X-chromosomes, XX, and males have one X and one Y-chromosome, XY. The X-chromosome is much larger than the Y-chromosome and s...

Answered by Zoe N. • Biology tutor

9315 Views

Factorise 2x^2+x-3

(2x+3)(x-1)

Answered by Nisnavai M. • Maths tutor

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“Overall GDP is the best way to measure social and economic well-being.” To what extent do you agree? (20)

Gross domestic product is the total value of all finished goods and services produced by a country in a single year and is expressed in amount per head. As an aggregate measure of the total economic produ...

Answered by Phoebe C. • Geography tutor

3981 Views

Write down the equations of the three asymptotes and the coordinates of the points where the curve y = (3x+2)(x-3)/(x-2)(x+1) crosses the axes.

Step 1: find the asymptotesThere are two kinds of asymptotes we look for: vertical and horizontal.The vertical ones happen when y goes to negative...

Answered by Meg T. • Further Mathematics tutor

3160 Views