Functions-Ch.3
The following is a function. (1,4), (-1, 3), (0,5), (2, 4)
Yes, because there is no repeated value in the domain (x).
Solve for x.
-3x + 5 = 20
x=-5
Is x = 1 a solution to the ineqality?
-2x + 3 < 5
yes
Spiders have 8 legs and 8 ___?
HALLOWEEN CHALLENGE!!!!
Eyes
The following is a LINEAR function
(1, 4), (3, 8, ), (5, 12), (7, 16)......
Yes, because the rate of change is the same.
Solve for x.
x/4 - 6 = 2
HALLOWEEN CHALLENGE
x=32
Solve the ineqality.
-x + 5 > 10
x < -5
Within 300 pounds... what is the heaviest pumpkin on record?
HALLOWEEN CHALLENGE!!!!
2819 pounds.
Range of answers 2519 - 3119 pounds
What is the domain?
(-6, 1), (-3, 6), (0, 11), (3, 16)
HALLOWEEN CHALLENGE!!!!!
-6, -3, 0, 3
Solve the literal equation for y.
6y + 12x = 24
y = 4 - 2x
OR
y = -2x +4
Write the inequality.
The difference between four times a number, n and 7 is no more than 5.
4n-7 <= 5
What is the best selling Halloween candy?
Reese's peanut butter cups
On average, how much candy is purchased each year for Halloween in the US...within 10 million pounds.
600 million pounds
Range of answers 590-610 million pounds
Is the following variable discrete or continuous?
The length of the drapes in your house, l.
Continuous. It must be measure, and can contain decimals.
Write a linear equation for the amount of candy, c you have in your bucket after t minutes.
You have 10 pieces of trick or treat candy in your bucket. You are collecting candy at a rate of 3 pieces per minute.
c= 3t +10
Solve the absolute compound inequality.
2x + 1 < 7 OR -3x < -18
x<3 OR x>6
Within 5 seconds, what is the record for fastest pumpkin carving? (A carving had to include a complete face: eyes, nose and mouth).
16.47 seconds.
Range of answers 11.47 - 21.47 seconds.
The function c = 25h +25 models the total cost for a tutoring session where h represents the number of hours of tutoring you receive.
The maximum number of hours you are allowed to tutor is 3, and you must book whole hours.
What is the RANGE?
25, 50, 75, 100
Two trick or treaters are walking in opposite directions, and one is walking at a rate of 2 miles per hour and the other is walking at a rate of 3 miles per hour. If they continue at this pace for 2.5 hours, how far apart will they be?
13.5 miles
Solve the inequality.
-2x > 12 AND 3x + 2 > 5
HALLOWEEN CHALLENGE
NO SOLUTION