The table below gives the value of a car over two years. using an exponential best-fit model, after how many years is the car valued at 45% of the original value?
year 0 0.5 1.0 1.5 2.0
value ($) 15,500.00 14,560.00 13,911.20 12,969.66 12,204.09

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250