What is the range of possible sizes for side x 4.0 5.6

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?