A ball is thrown upward at time t=15t=15 s on planet Ubuntu, and its acceleration from time t=15t=15 s to t=23t=23 s is given by the function a(t)=4t−14 m/s2a(t)=4t−14 m/s2. Use 44 time intervals of equal length to overestimate, and then underestimate, the relative velocity of the rising ball from time t=15t=15 s to t=23t=23 s. (a) Overestimate

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

What line represents the relationship between r and s

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