Graph the following functions and find the domain, range, and intercep 8. fx) = 2x2
9. f(x)=x
Domain:
Range:
x-intercept:
v-intercept:
Dom
Rang
x-in
y-in

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