Your friend needs to graph the piecewise function below but does not remember all the steps he/she needs to do. here is what your friend has come up with. double check the work and correct any mistakes you find, then explain why.

sighns did not flip correctly

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it