exam Maths Puzzle Numerical Ability

1) Use the arithmetic sequence of numbers 2, 4, 6, 8, 10… to find the following:

a) What is d, the difference between any two consecutive terms?

b) Using the formula for

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exam Other Question

i dont know how to figure out this parallel and perpindicual lines thing i have. the question on my paper sais: write an eqation for the line that is parallel to y=5x+1 and passes through the point (2,-3) g(x)=square root 3-x

a) domain and range of function
b)sketch graph