If a line has a slope of -3, a line parallel to it has a slope of ?   If a line has a slope of -3, a line perpendicular to it has a slope of ?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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  1. If a line has a slope of -3, a line parallel to it has a slope of ?  

If a line has a slope of -3, a line perpendicular to it has a slope of ? 

2. When solving a linear inequality, you must reverse the inequality symbol if you multiply or divide both sides by a real number. (true or false)

 

 

 

3. Solve the system of 3 equations below, and choose the best answer.

− x − 2 y − 3 z = − 6

2 x + 3 y + 2 z = 6

x − y − z = − 4

 

Group of answer choices
(x ,y, z) = (-1, 2, 1)
(x ,y, z) = (-4, -2, 2)
(x ,y, z) = (1, -6, 11)
None of These
Question 9
f (x) = -3(x + 4)² – 7
|
When given a function like the one above, if asked to find f(2), I should do which of the following?
O Substitute 2 for x and simplify.
O Substitute 2 for f(x) and solve for x.
Transcribed Image Text:Question 9 f (x) = -3(x + 4)² – 7 | When given a function like the one above, if asked to find f(2), I should do which of the following? O Substitute 2 for x and simplify. O Substitute 2 for f(x) and solve for x.
f (x) = x²
g (x) = 2x – 5
-
Find g[f(x)]
o Neither of These
2x2 – 5
4x2 – 20x + 25
O No answer text provided.
Transcribed Image Text:f (x) = x² g (x) = 2x – 5 - Find g[f(x)] o Neither of These 2x2 – 5 4x2 – 20x + 25 O No answer text provided.
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