Alfonso has a change jar that contains only nickels and quarters. He has 50 coins which adds up to to a total of $7.90. How much of each type of coin does he have

step-by-step explanation:

here's what happens:

1) the graph of f   = x^2 is shifted 2 units to the right.

2) the resulting graph is reflected in the x-axis, so that the parabola now opens down.

3) this final result is transformed up by 5 units.

the weight of the object inside the box!