For the function = −2x^2 + 4x+1, what are the coordinates of the vertex? Is it a maximum or minimum point?

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?