1.Find the equation for a line which passes through the points (-1, 10) and (3, -6). Write the equation in slope-intercept form. Show work.

2.A projectile is launched from a platform 15 feet high with an initial velocity of 80 feet per second, The height h of the projectile at t seconds after launch is given by h = -16t^2 + 80t + 15 feet. (

a) How many seconds after launch does the projectile attain maximum height?

(b) What is the maximum height?

3.solve

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