CALCULATOR PERMITTED A test plane flies in a straight line with positive velocity v(t), in miles per minute at time t minutes, where v is a differentiable function oft. Selected values of v(t) for 0

The position s of a point (in feet) is given as a function of time t (in seconds). 4 t = 2 4 = S (a) Find the point's acceleration as a function of t. 8 s"(t) = 3 24 t X ft/sec2 4 (b) Find the point's acceleration at the specified time. s"(2) = -0.5 ft/sec? Need Help? Read It Submit Answer View Previous Question Question 2 of 5 View Next Home My Assignments +Request Extens MacBook Air

2. An investment of $100 is placed into an account that earns interest, compounded annually, at a rate of 5% for 7 years. The amount, A, in the account can be modelled by the function A = 100(1.05)', where t is the time, in years. What is the domain of this function? a. (t e R, 2 7} b. (t e R, 0 SIS7) c. (te R, t > 7} d. (t e R,0

dit View History Bookmarks People Window Help Master Take a Test - Jaelyn Dancy https://www.mathxl.com/Student/PlayerTest.aspx?testld-194927925¢erwin-yes e //open Wright MTH112 20217 E-Learning Spring 2019 Quiz: Quiz 2 (1.6 1.8) th This Question: 1 pt 4 of 15 (1 complete) For f(x) = 5x-4 and g(x) = 2x2-3, find the following functions. a. (fo g)(x); b. (g o f)(x); C. (fo g)(-1); d. (g o f)(-1) a. ( o g)x)(Simplify your answer.) b. (g(Simplify your answer.) C. (fo g)(-1)-U (Simplify your answer.) d. (g。)(-1)= □ (Simplify your answer.) Enter your answer in each of the answer boxes. Sample Tests and Quizzes 54 30 MacBook Pro