Functions/Relations
Function Operations
Polynomials
Inverse Functions
Absolute Value
100
Are the following ordered pairs a function?
{(-4,0), (2,-3), (2,-5)}
No, it's not a function
100
x=x2+1
y=2x+4
(x+y)(5)
A: 40
100
(4x – 7)(2x – 9)=??
P.S. You should totally foil it
A: 8x2-50x+63
100
h(x)= 5-9x
Find h-1(x)
A: 5-x/9
100
|x - 7| = |2x - 2|
x=-5
x=3
200
What was the last letter added to the alphabet?
Hint: Definitely not Z
J
200
f(x)= x2+7x and g(x)=8x2-1
(f/g)(x)=??
P.S. This is super duper easy...
x2+7x/8x2-1
200
(x2+4x+1)+(4x2-2)
x2+4x+1+4x2-2
A: 5x2+4x-1
200
f(x)=3x-2
Find f-1(x)
y= 2/3x
200
|2x - 1| + 3 = 6
x=2
x=-1
300
Domain? Range?
Domain= (-∞, ∞)
Range= (-∞, 1]
300
f(x)= x2-3 and g(x)=2x+5
Find (f-g)(x)
x2-3-(2x+5)
x2-3-2x-5
A: x2-2x-8
300
What percentage of your dreams do you forget?
90%
300
Approximately how many times has SpongeBob SquarePants failed his boating exam?
Hint: More than you think..
1,258,058
300
|3x - 6| - 9 = -3
x=4
x=0
400
Domain=??
Range=??
Domain: [-3, 2)
Range:[-5, 4]
400
f(x)=2x+3 and g(x)=x2
Find (f*g)(x)
*= multiply
(2x+3)(x2)
A: 2x3+3x2
400
(x3 + 3x2 + 5x – 4) – (3x3 – 8x2– 5x + 6)
–2x3 + 11x2+ 10x –10
400
g(x)= 1/2x+7
Find g-1(x)
y= 2x-14
400
|x - 3| = |x + 2|
x= no solution
x=1/2
500
What is this "sideways parabola" real name?
Hint: Its similar to Parabola
Hyperbola
500
f(x)= 2x5-3x2 and g(x)= 5x3+7x
(f*g)(x)
(2x5-3x2)(5x3+7x)
2x5(5x3+7x)-3x2(5x3+7x)
A: 10x8+14x6-15x5-21x3
500
(2x2– 5x)(9x2 + 6x + 4)=??
A: 18x4-33x3-22x2-20x
500
f(x)= (x-2)3+1
Find f-1(x)
P.S. The exponent is a fraction...
y=(x-1)1/3+2
500
|x - 3| = |3 - x|
x=3
x= all real numbers (negative equation)