23 February

👉🏼If $f(x) = \frac{1}{2x+1}$ , then find f(3)

👈🏼For the above function, find a value of x for which f(x) is not defined (i.e. it has no answer).

👆🏼In a sale a bicycle price is reduced by 70% to £255. What was its price before the sale?

👇🏼Calculate $125^{ \frac{1}{3} }$

🖐🏼Fully simplify $\frac{1}{3x^2 - x - 14} \div \frac{1}{2x^2 - x - 10}$

Maths with David