Intro to Functions
Evaluating Functions
Operations and Composition with Functions
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100
How do you pronounce f(x))?
f of x
100
f(x) = 2x-6 for x=-5
f(-5) = -16
100
f(x) = 4x+3 and g(x) = 5 Find f+g
f+g = 4x + 8
100
What country celebrates Thanksgiving in October due to colder climates?
Canada!
100
What animal can sleep for 3 years?
The snail.
200
What test is used to determine if a graph is a function?
The Vertical Line Test
200
g(x) = (2x-1)/3 for x = -1
g(-1) = -1
200
f(x) = 20x + 7 and g(x) = -3x Find g-f
g-f = -23x - 7
200
About how many sesame seeds are on a Big Mac bun? Give or take 3.
108.
200
What animal tastes with their feet?
Butterflies.
300
Name the independent and dependent variable.
x - independent variable y - dependent variable.
300
f(x) = -4x^2 for x = 0
f(0) = 0
300
f(x) = 9-x and g(x) = 5x+10 Find f(g(x))
f(g(x)) = -5x+19
300
What is the only food that doesn't get spoiled?
Honey.
300
What is the most number of times you can fold a paper in half?
Seven.
400
Name a real-life example of a function.
Every person has only one birthday.
400
What is the range? {(5, 2) ; (6, -2); (5, -1)}
{2, -2, -1)
400
f(x) = 9-x and g(x) = 5x+10 Find g(g(2))
g(g(2)) = 110
400
What everyday condiment was once sold as medicine in the 1830's?
Ketchup.
400
On average, how long can a chicken fly? Give or take 3.
13 seconds.
500
What are all the x values and all the y values called?
x - Domain y - Range
500
Is this a function or relation? {(5, 2) ; (6, -2); (5, -1)}
Relation.
500
f(x) = 9-x and g(x) = 5x + 10 Find f(g(g(-1)))
f(g(g(-1))) = -26
500
Name one word in the English language that uses all 7 vowels.
Sequoia
500
Who blinks more, men or women?
Women.
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