Koshi says that he knows that sin(x + y) = sin(x) + sin(y) because he has substituted in multiple values for x and
y, and they al work. he has tried x = 0° and y = 0°, but he says that usualy works, so he also tried x = 45° and
y = 180°, x = 90° and y = 270°, and several others. is koshi corect? explain your answer.

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

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?

Vertical angles must check all that apply