Hello,Could I please get help with the following questions 2,3,4&5 if possible and steps on how the answers were found would be greatly appreciated for future questionsThank you so much!!

2. For each function, evaluate. a f() i (( x)=x-2 7 b. "(-oil ((x)-3x'+4x-x+9 a (o) i /(x) - -3x+5x-7 " ((x)=-2x' -3x' +7x-1 3. Find y"- a. yo-2x b. y = 6x"-2x*+ 6x' -5 c y - 20 d. ym-13x3+3x-18 4. The displacement of an object in motion is described by s(1) =(1 -21/# +90t. where the displacement, s. is measured in metres at t seconds. a. Find the displacement at 3 s. b. Find the velocity at 5 s. c. Find the acceleration at 4 s. 5. A ball is thrown into the air. Its motion can be described by /() = -4.943+61 +2. where the height, h, is measured in metres at f seconds. a. Find the initial velocity. b. When does the ball reach its maximum height? G. When does the ball hit the ground? d. What is its velocity when it hits the ground? 3. What is the acceleration of the ball on the way up? On the way down