MA 123 - Business Calculus Summer 2007 P. Busse
Quiz 1 Solutions
1. (4 pts) Completely simplify the difference quotient for the function f (x) = 2x2 - 3x + 4.
f (x + h) - f (x) h
2(x + h)2 - 3(x + h)
MA 123 - Business Calculus Summer 2007 P. Busse
Quiz 3 Solutions
1. (3 pts) Use the definition to find the derivative of f (x) = 3x2 - x. Show all steps and include limit signs where needed. f (x) = =
MA 123 - Business Calculus Summer 2007 P. Busse
Name
Quiz 5
June 1, 2007 All work must be clearly shown in order to receive full credit. 1. Let f (x) = 2 3 x - 2x2 - 6x - 21. 3
(a) (2 pts) Determine t
MA 123 - Business Calculus Summer 2007 P. Busse
Quiz 1 Solutions
1. (2 pts) An open box is to be constructed from a 30" 30" square piece of posterboard by removing a small square from each corner and
!VIA 123 - Businws Calculus Summer 2007 P. Busse
rill ~cnrl: m f hF rl~nrI?~ m ~Ilournin order lo wc<:i?:r l l / rwdat. fi
1. ( 2 pts each) Find tht. tlrrivativr ,2~-' d.r (a) J,! = PC
<'%
O!/
\; .l ^
11.4 123 - Busi~ess Csaladus Summer 2007 P.Busse
Name
QUIZ7
June 12, 2007 All work mvsl be clmrhy s h o ~ t nin o d ~ to r ~ r ~ i j1111 cwdit. r vr
1. (2 pts each) Find the ~ m r soll~tions o t h e f