Explain how a bar model can be used to show a subtraction problem.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

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

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?