For what values of c is the average rate of change for f(x) = cos x - sin x equal to the instantaneous rate of change on the interval 0 ≤ x ≤ 2pi A. x= 5pi/4
B. x= 7pi/4
C. x= pi/4
D. none of these

What is the area of the shaded sector?

Un used xx milliliters, or 90\%90%, of his favorite bottle of hot sauce. which of the following expressions could represent the volume of a full bottle of jun's favorite hot sauce, in milliliters? choose 2 answers: choose 2 answers: (choice a) a \dfrac{x}{0.9} 0.9 x (choice b) b \dfrac{10}{9}x 9 10 x (choice c) c 0.9x0.9x (choice d) d xx (choice e) e x+0.1x+0.1

△def is similar to △stu. write a proportion that contains st and su.