These tables represent a quadratic function with a vertex at (0, –1). What is the average rate of change for the interval from x = 8 to x = 9? A.–17
B.–2
C.–65
D.–82

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12%