True/False Quiz for Chapter 1
Topic: Functions and Graphs

Chapter 1 Summary

Chapter 2 True/False Quiz

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Finite Mathematics Applied to the Real World

Calculus Applied to the Real World

Finite Mathematics & Calculus Applied to the Real World

1.			The graph of any equation in two variables is a straight line.
2.			The graph of any linear equation in two variables is a straight line.
3.			Every line has a slope.
4.			Every non vertical line has a slope.
5.			Every line is the graph of a linear equation in two unknowns.
6.			To find the equation of a line, all you need is a point and the slope.
7.			You need to know the y-intercept to write the equation of a line.
8.			The graph of a quadratic function f(x) = ax2+bx+c (a 0) is always a parabola.
9.			The vertex is the lowest point on a parabola.
10.			Some parabolas cross neither axis.
11.			In a linear cost equation, the slope gives the cost of the first item.
12.			If displacement is a linear function of time, then the slope of the graph represents the velocity.
13.			If the weekly sales q of an item priced at $p are given by q = 3p + 40, then the weekly sales decrease by 3 items for every $1 increase in price.
14.			If the total weekly revenue for items priced at $p is given by the function R(p) = p2 + 100p, then the total weekly revenue will be $100 if we give the items away.
15.			A real-valued function of a real variable is a rule that assigns exactly one number to each specified input number in a specified domain.
16.			Some functions assign two or more numbers to each specified input number.
17.			If f(x) = x3 + 3x, then f(x+h) = x3 + 3x + h.
18.			If f(x) = 1 2x , then f(x+h) = 1 2x + h.
19.			If f(x) = x x 1 , then the largest possible domain of f consists of all real numbers except 0.
20.			Every equation in x has at least one solution that can be found with a graphing calculator.