A new computer workstation costs $7,000. Its useful lifetime is 5 years, at which time it will be worth an estimated $3,000. The company calculates its depreciation using the linear decline method that is an option in U.S. tax law. (a) Find the linear equ. I will be able to see wether the answers are correct or not immediately on webassign, so just retypÿ 1-Use the quadratic formula to find any x-intercepts of the parabola. (If an answer does not exist, enter DNE.)y = 2×2 ? 10x + 5( x,y)=ÿ for smaller x value( x,y) = for larger x value2-A new computer workstation costs $7,000. Its useful lifetime is 5 years, at which time it will be worth an estimated $3,000. The company calculates its depreciation using the linear decline method that is an option in U.S. tax law.(a)ÿÿÿ Find the linear equation that expresses the value V of the equipment as a function of time t, in years, for 0 ? t ? 5.3-Find an equation of the circle with center(3, 1) that passes through (?2, 3)4- Factor the quadratic equation.x2 + 9x + 20ÿÿ note: I already enter this answer :ÿ (x+4)( x+5)ÿ but the system responded incorrect.