exam Maths Puzzle Numerical Ability

What is the domain of State the domain of the following:

a)f(x)= the square root of x-8

Answer:

b)h(x)=3x squared + 5x-3
Answer:

c)mx=5/x squared +9

Answer:

d)l(x)=5x-4

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exam Other Question
Triangle ABC is isosceles with base AC. If AB=7x+3, CB=8x-9, and AC=5x+6, find the lengths of the sides of the triangle what is the value of the expression: 6(5 -3) - 4(2 - 5 - (3- 2)