A school buys calculators for £2.45 how much would 100 be

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Plz hurry evaluate the expression a+b where a=8 and b=19

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function