Find lim f(x) for: x->-1

a. f(x)=10
b. f(x)=x

a. a.10 b.-1
b. a.-1 b.-1
c. a.9 b.-1
d. a.9 b.10

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations