Name: ______________________________
Math 194, Spring 2007
Exam I
February 13, 2007
1.) (a) Could the values in the following table indicate a function?
WHY or WHY NOT?
__________________________________
__x
2
3
4
5
2__
__f(x)
4
5
6
7
8__
(b) Give the definition of a function.
2.) Find the average rate of the function f(x) = 3x
2
+ 10 between x = 2 and x = 3.
3.) Tuition cost T (in dollars) for parttime students at Stonewall College is given by
T = 300 + 200C, where C represents the number of credits taken.
(a) Find the tuition cost for 8 credits.
(b) How many credits were taken if the tuition was $1700?
(c) Explain in real life terms what the 300 represents in the formula for T.
(d) Explain in real life terms what the 200 represents in the formula for T.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document4.) (a) Rewrite the following equation in slopeintercept form:
3x + 2y + 9 = y – x.
(b) Find the formula for the
linear
function g(x) if you know that
g(10) = 19 and g(1) = 25.
5.) (a) What is the slope of any line that is perpendicular to the line y = 3x + 10 ?
This is the end of the preview.
Sign up
to
access the rest of the document.
 Fall '08
 Staff
 Math, Derivative, 2 g, $1700, real life terms, Stonewall College

Click to edit the document details