Three places to the right of the decimal point tells how many of these

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c