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Unformatted text preview: MATH 209/2 all sections except EC:  Fundamental Mathematics II Midterm  October 2016 (1h30min)
Only approved calculators are permitted. MARKS
[7] 1. (a) Find lim ———V"”+25_5.
w—w {B [7] [7] [12] [7] [10] [10] [10] (b) Give functions f (m) and g(:c) with the following properties: (1) game) = o (n) 39(2) = o (in) 1.3. % = :3; 2. Let h(:z:) = 7 — :33. won. out the following in detail:
n. [Mac + s) — h<w>1 5)0 S  3. (a) If f(:c) = —4:1;2’3 + 5, ﬁnd f’(1). Do not simplify.
(b) If g(:z:) ; (211:3 — 4) [ln(:c2) + 3], ﬁnd 9’ (2). Do not simplify.
(c) Find h’(:z:) if h(:z:) = {—ﬂTmﬁ
(d) Find the value of dy if y = $3 + 2,:1: = 3 and the change in a: is 0.4. 4. A population grows from ten million to thirty million in ten years. Find the associated
annual rate of growth assuming that it is compounded continuously. 5. The cost of printing as books is given by the function C(23) = 20,000 + 102:. (a) Find the average cost per unit if 2000 books are produced. (b) Find the marginal average cost when 2000 books are produced and interpret the
results. (0) Use (a) and (b) to estimate the average cost per unit if 2001 books are produced. 6. Find m’ for a: = 27(1)) deﬁned implicitly by 1+:t1np = 126‘” and evaluate as’ at (p, (1:) = (1,0). 7. A point is moving along the :1: axis at a constant rate of 5 units per second. At which
point is its distance from (0,1) increasing at a rate of 2 units per second? At 4 units per
second? At 5 units per second? At 10 units per second? Explain. 5', _ '
(30,) == «10, 000 + /0,,o A“ _. ,, , .
Cab—3 —— 59:2 , 520/000+/0/Xr$ @2930} 440 £14“ = @000 I N m ,0.005
V 6&000 ,(‘j /?. 7?5‘. 066 <2 062‘:
aw w 0%
f’f/
7746042050151 90?,“ ’00—
Q~'__..———— 5 ...
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