The inverse of y=(x+1)^2(-3)

Use continuity to evaluate the limit. lim x→16 20 + x 20 + x step 1 consider the intervals for which the numerator and the denominator are continuous. the numerator 20 + x is continuous on the interval the denominator 20 + x is continuous and nonzero on the interval

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost