Is it possible to solve this by completing the square method, or should I use something else??? ...
Solve for x

Use the multiplier method to incrases £258 by 43%

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?